Sgòrr nan Lochan Uaine Summit Weather Forecast

Wednesday 11 November 2026Confidence: Medium

Overall hill weather69Mixed

Summit wind · 08:00-17:0010-20 mph northwesterly Summit gusts · 08:00-17:0020-30 mph Feels like-10 to -6°C PrecipitationUp to around 2 mm Cloud-free summit estimate65% Cloud base through day400-1,500 m Freezing level600-900 m DaylightSunrise 07:55 · Sunset 16:14 · 8.3 hours daylight

The day on the hill

A mixed day on Sgòrr nan Lochan Uaine, with sleet or snow on the tops.

Snow and navigation

Sleet or snow is possible on the tops in the afternoon, with small temperature changes affecting the mix. The air freezing level is roughly 800 to 1000 m above sea level. Snow can fall below this, but its lower limit is uncertain.

Wind

On the summit expect a north-westerly wind of 10–20 mph for most of the day, with gusts of 20–30 mph at the windiest. Lower down on the open hillside the wind will be light, under 10 mph. It gets windier still after dark, with summit gusts of 30–40 mph, so bear that in mind if you will be out late.

Cloud and visibility

The tops are likely to drift in and out of cloud, with the best chance of a clear summit mid-morning. The cloud base could be as low as 700–1000 m in the early afternoon. A few forecast models bring it lower still, to around 400–700 m. Visibility may drop briefly in showers. The air should be clear, so expect far-reaching views whenever the tops come out of the cloud.

Rain and ground

Sleet arrives in the early afternoon and becomes heavier through the afternoon. Expect up to 2 mm in total, measured as melted water, so any snow would lie deeper. Some forecast models keep it drier in the afternoon.

Warmth and kit

On the tops it will be around -2 to 2°C, feeling like -10 to -6°C in the wind. The freezing level is close to summit height. Take a hat, gloves, a windproof and a spare warm layer. Pack waterproofs too, and keep a warm layer dry in your pack.

Daylight

A short day, with only about 8 hours of daylight. Sunset is around 4:15pm, so allow time to get off the hill before dark, and carry a head torch.

Forecast confidence

Things could still change through the day, so keep an eye on the sky.

Sunshine context Model-grid estimate, not summit sunshine

The surrounding model grid indicates 4.3 h of sunshine. This is not a forecast of time in sunshine on the summit. Use the cloud and views outlook above for the conditions on this mountain.

Early: 1.9 h
Midday: 1.4 h
Later: 0 h

Overnight forecast: 17:00–08:00 (UK local time), in Wild camping below.

Morning · 08:00–12:00 Excellent Summit winds around 10-20 mph. Gusts around 15-25 mph are possible on exposed ground. Summit cloud is more persistent early in this period, with better prospects later.

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Afternoon · 12:00–17:00 Mixed Summit winds around 10-20 mph. Gusts around 20-30 mph are possible on exposed ground. Summit cloud becomes more persistent later. Rain is forecast during this period. Rain is possible during the afternoon, but forecast models disagree on whether it will fall.

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Compare an early start with later conditions. The main forecast above covers the day in more detail.

Overnight · 17:00–08:00Wild campingBetaToo windy for an exposed pitch up around 900 m (gusts of about 40 mph and a frost, down to -3°C). Lower down, a poor night to camp on open ground. 39Poor · 600 m View detailsHide details

Night beginning Wednesday 11 November 2026

Full overnight outlook

Too windy for an exposed pitch up around 900 m. Lower down, a poor night to camp on open ground. Gusts reach about 40 mph around 900 m and nearer 25 mph around 300 m, which makes for a noisy, testing night even in a good tent. Pitch low down and in real shelter, or leave it for another night. Dry to pitch, then some light rain overnight and into the morning, so expect to pack a wet tent. A frost at every height we checked (300-900 m), down to about -3°C. A warm 3-season or 3–4 season bag rated to about -4°C comfort, and a warm mat, should do. Allow more if you sleep cold.

Overnight rain1.2 mm Open ground · 600 m20 mph · gusts 32 mph Morning pack-upDampness possible Sleeping-bag warmthISO comfort rating about -4°C or lower

Elevation reference (open ground)

300 m39 · poor

Wind / gust: 17 mph / 27 mph
Typical / low: 0.6°C / -0.4°C · much of the night
In cloud: 0% of modelled night
Condensation: Low

600 m39 · poor

Wind / gust: 20 mph / 32 mph
Typical / low: -0.1°C / -0.9°C · much of the night
In cloud: 7% of modelled night
Condensation: Low

900 m19 · very poor

Wind / gust: 24 mph / 40 mph
Typical / low: -2.3°C / -3.0°C · much of the night
In cloud: 13% of modelled night
Condensation: Moderate

Warmth planning: As a broad starting point, consider a warm 3-season or 3–4 season bag with an ISO/EN comfort rating at or below about -4°C. Allow more margin if you sleep cold or expect fatigue, and use an adequate insulated mat. Dampness is possible, so keep the sleep system dry and ensure its insulation remains effective if damp.

Open-hillside reference. A sheltered pitch may be calmer; cols and ridges may be much windier. Tent design and the exact pitch still matter. Read about sleeping-bag comfort ratings, pitching in strong winds or using the wild-camping forecast.

Did this match your night?Share a quick observation to help improve this beta forecast.Give feedback

Daytime · exposed rockClimbing & scramblingBetaVery poor conditions for exposed scrambling: wet, slippery rock. Poor0 View detailsHide details

Generic exposed-rock guidance

Full climbing & scrambling outlook

Very poor conditions for exposed scrambling. The rock is likely to be wet and slippery through the day. Icy patches are likely on the rock, which makes it treacherous without winter kit. Gusts of 20–30 mph will be noticeable on exposed ridges. Cloud on the tops may make route-finding and retreat harder. The rock around the summit is mostly sandstone, a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away. These are general notes for each rock type, taken from geological maps around the summit, so the rock on your line may differ.

Rock surfaceWet rock likelyPeak gust20-30 mphRain1.9 mm

Main factorsgusts of 20–30 mphwet rock likelySub-zero temperatures and moisture may leave icy patches on exposed rock

Representative rock around the summit Pebbly (gravelly) sandstone Applecross Formation

Origin: Sedimentary
Broad rock-response group: Sandstone or gritstone
Mapping: BGS Geology 50K · 1:50,000
Summit area: Sandstone or gritstone in 71% of 17 BGS samples within 350 m
Summit pin: Quartzite (Basal Quartzite Member)
Rock-response profile: High confidence

View the summit BGS record

Sandstone is a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away. These are general notes for each rock type, from geological map samples at and around the summit. The rock on your line can differ, and lichen, vegetation and seepage all change how it feels underfoot.

Geological detail and BGS records

Mapped variation

2 rock types appear in the mapped samples

Samples around the summit inform the main rock-response profile, with the summit pin shown separately where it differs. Route samples add further context, but this is not a continuous geological survey.

Summit-area sample Quartzite Basal Quartzite Member

Quartzite is a very hard rock made almost entirely of quartz. It grips well when dry and is notoriously slippery when wet. It splits into sharp, angular blocks, so expect loose scree and boulder fields, and edges that can cut gloves and hands.

BGS record

Summit-area sample Pebbly (gravelly) sandstone Applecross Formation

Sandstone is a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away.

BGS record

Generic exposed scrambling terrain; BGS summit-area bedrock samples are included where available, but route grade, exact rock, polish, drainage and escape options remain unresolved. Contains British Geological Survey materials © UKRI 2026. How to use the climbing and scrambling forecast.

Did this match your experience?Tell us about the rock surface and wind to help improve this beta forecast.Give feedback

Overnight · Aurora, stars & meteorsAfter darkBetaMostly cloudy, so little chance of seeing the stars. View forecastClose forecast

After dark: aurora and stargazing

Night beginning 2026-11-11. All times are UK local time.

A noticeable aurora display is unlikely; any glow may be faint or camera-only

A noticeable aurora display is unlikely here. Any glow may be faint or camera-only. Activity peaks around Kp 3.0 (on a 0 to 9 scale).

Activity can change at short notice. Check again on the night.

Stargazing

Poor sky conditions during the best available spell: 11 Nov, 21:00 GMT to 22:00 GMT.

Mostly cloudy, so little chance of seeing the stars.

Moon-free dark sky: 11 Nov, 18:30 GMT to 12 Nov, 05:40 GMT.

Sky conditions through the night

Fully dark periods. Conditions can change between forecast hours.
Time	Viewing conditions
11 Nov, 18:30 GMT to 19:00 GMT	Good sky conditions Some breaks in the cloud, so stars at times.
11 Nov, 19:00 GMT to 20:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
11 Nov, 20:00 GMT to 21:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Hazy, which dims the fainter stars.
11 Nov, 21:00 GMT to 22:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
11 Nov, 22:00 GMT to 23:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
11 Nov, 23:00 GMT to 12 Nov, 00:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
12 Nov, 00:00 GMT to 01:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times.
12 Nov, 01:00 GMT to 02:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Hazy, which dims the fainter stars.
12 Nov, 02:00 GMT to 03:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times.
12 Nov, 03:00 GMT to 04:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
12 Nov, 04:00 GMT to 05:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
12 Nov, 05:00 GMT to 05:40 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.

Moon, darkness and meteor showers

Crescent moon, about 7% illuminated.

Full darkness: 11 Nov, 18:30 GMT to 12 Nov, 05:40 GMT.

Moon times assume an open horizon. Hills can hide the Moon sooner. Moon-free does not mean cloud-free.

Southern Taurids are active on this night. Activity may be much lower away from the peak.

Northern Taurids are active on this night. Activity may be much lower away from the peak.

Leonids are active on this night. Activity may be much lower away from the peak.

Southern Taurids: peak around 10 October 2026.
Northern Taurids: peak around 12 November 2026.
Leonids: peak around 18 November 2026.
Geminids: peak around 14 December 2026.
Ursids: peak around 22 December 2026.

Dates from the Royal Observatory Greenwich. Activity dates do not guarantee visible meteors. Look across a broad, dark sky, not only north.

Darkness of the surroundings

Estimated darkness rank 76 of 980 assessed peaks (1 is darkest), based on surrounding artificial light in 2021. This is not a measurement of tonight’s sky.

2021 artificial-light baseline, not measured sky brightness or a Bortle class. Changes to lighting, blue-rich LEDs, terrain screening, atmospheric scattering and cloud-reflected light are not resolved. Similar ranks are not meaningfully distinct. Darkness is not a recommendation to climb a summit at night.

VIIRS nighttime lights: Earth Observation Group, Payne Institute for Public Policy, Colorado School of Mines. Reprocessed by OpenGeoHub/OpenLandMap. Cropped and ranked by Mountain Weather.

Sky-weather grades exclude light pollution, terrain and thin haze. They are not mountain safety ratings. Check the mountain and camping forecast separately. Accessible lower viewpoints may be a better choice than summits.

Explore the dedicated aurora forecast, meteor shower forecast or dark-sky and astrophotography forecast.

Recommended kit for this dayWeather-aware packing prompts, plus your core hillwalking kitView kit

For a day hillwalk, not a complete route-specific checklist. Carry navigation and backup you can use, warm and waterproof layers, suitable footwear, food and water, a headtorch, emergency shelter, first aid and a way to call for help. Snow, ice, technical terrain and overnight trips need additional equipment and skills.

Does the weather shape your plans?Optional hill-user research. One answer helps; further questions are up to you.Take part

Help the Mountain Decisions Project understand how forecasts influence hill days, including when plans stay the same. Findings will be shared publicly as summaries, not individual responses.

This is about Sgòrr nan Lochan Uaine on Wednesday 11 November 2026. It asks about intentions, not whether you actually went out. No name or account is needed.

Open the questions to take part.

About the research and your privacy · Already been out? Share that experience instead

Thursday 12 November 2026Confidence: Medium

Overall hill weather36Poor

Summit wind · 08:00-17:0020-30 mph northerly Summit gusts · 08:00-17:0035-45 mph Feels like-14 to -10°C PrecipitationAround 2-5 mm Cloud-free summit estimate75% Cloud base through day1,000-2,100 m Freezing level400-700 m DaylightSunrise 07:57 · Sunset 16:12 · 8.2 hours daylight

The day on the hill

A poor day on the tops of Sgòrr nan Lochan Uaine, with snow on the tops and a bitter wind chill.

Snow and navigation

Snow is forecast on the tops during the morning and afternoon. The air freezing level is roughly 500 to 800 m above sea level. Snow can fall below this, but its lower limit is uncertain. The forecast model suggests around 2 cm of fresh snowfall at around 900 m between 08:00 and 17:00 (local time). The amount settling is uncertain and will vary with melting and drifting. There is a risk of blizzard conditions in the morning, when snow and strong winds coincide. Paths and footprints can quickly disappear beneath falling and blowing snow. Snow may collect in deeper drifts in hollows, behind boulders and on slopes sheltered from the wind. Exposed ground may be scoured while nearby drifts deepen. Wind-loaded slopes can also be avalanche terrain. Check the local avalanche forecast where one is available; this is not an assessment of slope stability.

Wind

On the summit expect a northerly wind of 20–30 mph for most of the day, with gusts of 35–45 mph at the windiest. Lower down on the open hillside it will be more like 5–15 mph. Gusts like that are strong enough to make walking into it hard work, with buffeting on ridges and edges.

Cloud and visibility

The tops are likely to drift in and out of cloud, with the best chance of a clear summit around midday. The cloud base could be as low as 500–800 m mid-morning. Where snow covers the ground, the sky and hillside can merge into a featureless white view, making it difficult to judge slope or direction. Do not rely on following a visible path. Avoid exposed routes if you cannot navigate safely in these conditions, and turn back before visibility deteriorates.

Rain and ground

Snow at first, clearing by midday. Some forecast models keep it drier in the morning.

Warmth and kit

On the tops it will be around -4 to 0°C, feeling like -14 to -10°C in the wind. The freezing level is around 500–800 m, so it will be below freezing on the tops. Hat, gloves and a warm insulated layer are essential, with extra warmth for stops. Pack waterproofs too, and keep a warm layer dry in your pack.

Daylight

A short day, with only about 8 hours of daylight. Sunset is around 4:10pm, so allow time to get off the hill before dark, and carry a head torch.

Forecast confidence

There is some disagreement between forecast models on wind strength. Some of the detail could still change, so have a last look at the forecast in the morning before you set off.

Sunshine context Model-grid estimate, not summit sunshine

The surrounding model grid indicates 4.8 h of sunshine. This is not a forecast of time in sunshine on the summit. Use the cloud and views outlook above for the conditions on this mountain.

Early: Less than 1 hour
Midday: 3.3 h
Later: 0 h

Overnight forecast: 17:00–08:00 (UK local time), in Wild camping below.

Morning · 08:00–12:00 Poor Summit winds around 20-30 mph. Gusts around 35-45 mph are possible on exposed ground. Gusts this strong can make walking into it hard work, with buffeting on ridges and edges. Summit cloud becomes more persistent later. Rain is forecast during this period. Some forecast models bring rain during the morning, while others keep it mostly dry.

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Afternoon · 12:00–17:00 Mixed Rain eases compared with the morning. Summit winds around 20-30 mph. Gusts around 30-40 mph are possible on exposed ground. Rain is forecast during this period.

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Compare an early start with later conditions. The main forecast above covers the day in more detail.

Overnight · 17:00–08:00Wild campingBetaA poor night to camp on open ground: a frost, down to -3°C. 39Poor · 600 m View detailsHide details

Night beginning Thursday 12 November 2026

Full overnight outlook

A poor night to camp on open ground. Gusts reach about 30 mph around 900 m and nearer 20 mph around 300 m, so peg out well and use the guylines. Look for shelter from the northwest. Dry to pitch, then some light rain by morning, so you'll likely pack up in the wet. A frost at every height we checked (300-900 m), down to about -3°C. A warm 3-season or 3–4 season bag rated to about -4°C comfort, and a warm mat, should do. Allow more if you sleep cold.

Overnight rain1.4 mm Open ground · 600 m16 mph · gusts 24 mph Morning pack-upDampness possible Sleeping-bag warmthISO comfort rating about -4°C or lower

Moon overnight

Waxing crescent moon

Illuminated disc: 13%
Moonrise: Outside this window
Moonset: 17:03 GMT

Extensive cloud may limit moonlight. Illumination describes the sunlit part of the Moon, not brightness at your pitch.

Overnight window: 12 Nov, 17:00 GMT to 13 Nov, 08:00 GMT. Approximate open-horizon times; hills can hide the Moon. Still take a headtorch.

Elevation reference (open ground)

300 m39 · poor

Wind / gust: 12 mph / 19 mph
Typical / low: -0.2°C / -0.5°C · much of the night
In cloud: 0% of modelled night
Condensation: Moderate

600 m39 · poor

Wind / gust: 16 mph / 24 mph
Typical / low: -0.8°C / -1.0°C · much of the night
In cloud: 13% of modelled night
Condensation: Moderate

900 m39 · poor

Wind / gust: 19 mph / 29 mph
Typical / low: -2.5°C / -2.8°C · much of the night
In cloud: 20% of modelled night
Condensation: Moderate

Warmth planning: As a broad starting point, consider a warm 3-season or 3–4 season bag with an ISO/EN comfort rating at or below about -4°C. Allow more margin if you sleep cold or expect fatigue, and use an adequate insulated mat. Dampness is possible, so keep the sleep system dry and ensure its insulation remains effective if damp.

Open-hillside reference. A sheltered pitch may be calmer; cols and ridges may be much windier. Tent design and the exact pitch still matter. Read about sleeping-bag comfort ratings, pitching in strong winds or using the wild-camping forecast.

Did this match your night?Share a quick observation to help improve this beta forecast.Give feedback

Daytime · exposed rockClimbing & scramblingBetaVery poor conditions for exposed scrambling: wet, slippery rock. Poor0 View detailsHide details

Generic exposed-rock guidance

Full climbing & scrambling outlook

Very poor conditions for exposed scrambling. The rock is likely to be wet and slippery through the day. Icy patches are likely on the rock, which makes it treacherous without winter kit. Gusts of 35–45 mph could throw you off balance on exposed moves and ridges. The rock around the summit is mostly sandstone, a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away. These are general notes for each rock type, taken from geological maps around the summit, so the rock on your line may differ.

Rock surfaceWet rock likelyPeak gust35-45 mphRain3.4 mm

Main factorsgusts of 35–45 mphwet rock likelySnow is likely to be lying on high ground, with further snowfall possible during the day

Representative rock around the summit Pebbly (gravelly) sandstone Applecross Formation

Origin: Sedimentary
Broad rock-response group: Sandstone or gritstone
Mapping: BGS Geology 50K · 1:50,000
Summit area: Sandstone or gritstone in 71% of 17 BGS samples within 350 m
Summit pin: Quartzite (Basal Quartzite Member)
Rock-response profile: High confidence

View the summit BGS record

Sandstone is a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away. These are general notes for each rock type, from geological map samples at and around the summit. The rock on your line can differ, and lichen, vegetation and seepage all change how it feels underfoot.

Geological detail and BGS records

Mapped variation

2 rock types appear in the mapped samples

Samples around the summit inform the main rock-response profile, with the summit pin shown separately where it differs. Route samples add further context, but this is not a continuous geological survey.

Summit-area sample Quartzite Basal Quartzite Member

Quartzite is a very hard rock made almost entirely of quartz. It grips well when dry and is notoriously slippery when wet. It splits into sharp, angular blocks, so expect loose scree and boulder fields, and edges that can cut gloves and hands.

BGS record

Summit-area sample Pebbly (gravelly) sandstone Applecross Formation

Sandstone is a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away.

BGS record

Generic exposed scrambling terrain; BGS summit-area bedrock samples are included where available, but route grade, exact rock, polish, drainage and escape options remain unresolved. Contains British Geological Survey materials © UKRI 2026. How to use the climbing and scrambling forecast.

Did this match your experience?Tell us about the rock surface and wind to help improve this beta forecast.Give feedback

Overnight · Aurora, stars & meteorsAfter darkBetaMostly cloudy, so little chance of seeing the stars. View forecastClose forecast

After dark: aurora and stargazing

Night beginning 2026-11-12. All times are UK local time.

A noticeable aurora display is unlikely; any glow may be faint or camera-only

Too quiet for a likely sighting from here. Activity peaks around Kp 2.0 (on a 0 to 9 scale). It would take about Kp 3.3 for a camera to pick up a glow low in the north, though that is not a hard line.

Activity can change at short notice. Check again on the night.

Stargazing

Poor sky conditions during the best available spell: 12 Nov, 19:00 GMT to 20:00 GMT.

Mostly cloudy, so little chance of seeing the stars.

Moon-free dark sky: 12 Nov, 18:30 GMT to 13 Nov, 05:45 GMT.

Sky conditions through the night

Fully dark periods. Conditions can change between forecast hours.
Time	Viewing conditions
12 Nov, 18:30 GMT to 19:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
12 Nov, 19:00 GMT to 20:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
12 Nov, 20:00 GMT to 21:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
12 Nov, 21:00 GMT to 22:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
12 Nov, 22:00 GMT to 23:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
12 Nov, 23:00 GMT to 13 Nov, 00:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
13 Nov, 00:00 GMT to 01:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
13 Nov, 01:00 GMT to 02:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
13 Nov, 02:00 GMT to 03:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
13 Nov, 03:00 GMT to 04:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
13 Nov, 04:00 GMT to 05:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
13 Nov, 05:00 GMT to 05:45 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.

Moon, darkness and meteor showers

Crescent moon, about 13% illuminated.

Full darkness: 12 Nov, 18:30 GMT to 13 Nov, 05:45 GMT.

Moon times assume an open horizon. Hills can hide the Moon sooner. Moon-free does not mean cloud-free.

Southern Taurids are active on this night. Activity may be much lower away from the peak.

Northern Taurids are active on this night. Activity may be much lower away from the peak.

Leonids are active on this night. Activity may be much lower away from the peak.

Southern Taurids: peak around 10 October 2026.
Northern Taurids: peak around 12 November 2026.
Leonids: peak around 18 November 2026.
Geminids: peak around 14 December 2026.
Ursids: peak around 22 December 2026.

Dates from the Royal Observatory Greenwich. Activity dates do not guarantee visible meteors. Look across a broad, dark sky, not only north.

Darkness of the surroundings

Estimated darkness rank 76 of 980 assessed peaks (1 is darkest), based on surrounding artificial light in 2021. This is not a measurement of tonight’s sky.

2021 artificial-light baseline, not measured sky brightness or a Bortle class. Changes to lighting, blue-rich LEDs, terrain screening, atmospheric scattering and cloud-reflected light are not resolved. Similar ranks are not meaningfully distinct. Darkness is not a recommendation to climb a summit at night.

VIIRS nighttime lights: Earth Observation Group, Payne Institute for Public Policy, Colorado School of Mines. Reprocessed by OpenGeoHub/OpenLandMap. Cropped and ranked by Mountain Weather.

Sky-weather grades exclude light pollution, terrain and thin haze. They are not mountain safety ratings. Check the mountain and camping forecast separately. Accessible lower viewpoints may be a better choice than summits.

Explore the dedicated aurora forecast, meteor shower forecast or dark-sky and astrophotography forecast.

Recommended kit for this dayWeather-aware packing prompts, plus your core hillwalking kitView kit

For a day hillwalk, not a complete route-specific checklist. Carry navigation and backup you can use, warm and waterproof layers, suitable footwear, food and water, a headtorch, emergency shelter, first aid and a way to call for help. Snow, ice, technical terrain and overnight trips need additional equipment and skills.

Does the weather shape your plans?Optional hill-user research. One answer helps; further questions are up to you.Take part

Help the Mountain Decisions Project understand how forecasts influence hill days, including when plans stay the same. Findings will be shared publicly as summaries, not individual responses.

This is about Sgòrr nan Lochan Uaine on Thursday 12 November 2026. It asks about intentions, not whether you actually went out. No name or account is needed.

Open the questions to take part.

About the research and your privacy · Already been out? Share that experience instead

Friday 13 November 2026Confidence: Medium

Overall hill weather16Poor

Summit wind · 08:00-17:0015-30 mph westerly Summit gusts · 08:00-17:0035-45 mph Feels like-12 to -8°C PrecipitationAround 2-5 mm Cloud-free summit estimate15% Cloud base through day500-800 m Freezing level400-700 m DaylightSunrise 08:00 · Sunset 16:10 · 8.2 hours daylight

The day on the hill

A poor day on the tops of Sgòrr nan Lochan Uaine, with sleet or snow on the tops and the summit in cloud for most of the day.

Snow and navigation

Sleet or snow is possible on the tops during the morning and afternoon, with small temperature changes affecting the mix. The air freezing level is roughly 400 to 1000 m above sea level. Snow can fall below this, but its lower limit is uncertain. The forecast model suggests around 2 cm of fresh snowfall at around 900 m between 09:00 and 17:00 (local time). The amount settling is uncertain and will vary with melting and drifting. Blowing snow may quickly cover paths and footprints and make navigation difficult. Snow may collect in deeper drifts in hollows, behind boulders and on slopes sheltered from the wind. Exposed ground may be scoured while nearby drifts deepen. Wind-loaded slopes can also be avalanche terrain. Check the local avalanche forecast where one is available; this is not an assessment of slope stability.

Wind

On the summit expect a westerly wind of 15–30 mph for most of the day, with gusts of 35–45 mph at the windiest. Lower down on the open hillside it will be more like 5–15 mph. Gusts like that are strong enough to make walking into it hard work, with buffeting on ridges and edges.

Cloud and visibility

Expect the summit to be in cloud for most of the day. The cloud base could be as low as 500–800 m mid-afternoon. In cloud you'll be finding your way without landmarks, so carry navigation you trust and know how to use, with a backup such as a spare battery or a map and compass.

Rain and ground

Sleet and snow for much of the day. Some forecast models keep it drier in the morning.

Warmth and kit

On the tops it will be around -4 to 0°C, feeling like -12 to -8°C in the wind. The freezing level is around 400–700 m, so it will be below freezing on the tops. Hat, gloves and a warm insulated layer are essential, with extra warmth for stops. Pack waterproofs too, and keep a warm layer dry in your pack.

Daylight

A short day, with only about 8 hours of daylight. Sunset is around 4:10pm, so allow time to get off the hill before dark, and carry a head torch.

Forecast confidence

There is some disagreement between forecast models on wind strength. It's still two days off and could change, so check again nearer the time.

Sunshine context Model-grid estimate, not summit sunshine

The surrounding model grid indicates 1.8 h of sunshine. This is not a forecast of time in sunshine on the summit. Use the cloud and views outlook above for the conditions on this mountain.

Cloud may obscure this summit even while the surrounding model grid indicates sunshine. The low cloud-free summit estimate is a reason to be cautious about expecting views.

Early: 0 h
Midday: 1.8 h
Later: 0 h

Overnight forecast: 17:00–08:00 (UK local time), in Wild camping below.

Morning · 08:00–12:00 Poor Summit winds around 15-25 mph. Gusts around 25-35 mph are possible on exposed ground. Rain is forecast during this period. Some forecast models bring rain during the morning, while others keep it mostly dry.

20

Afternoon · 12:00–17:00 Poor Summit winds around 20-30 mph. Gusts around 35-45 mph are possible on exposed ground. Gusts this strong can make walking into it hard work, with buffeting on ridges and edges. Rain is forecast during this period.

13

Compare an early start with later conditions. The main forecast above covers the day in more detail.

Overnight · 17:00–08:00Wild campingBetaToo windy for an exposed pitch up around 900 m (gusts of about 45 mph and about 6 mm of rain). Lower down, a mixed night to camp, mainly because of the wind. 35Poor · 600 m View detailsHide details

Night beginning Friday 13 November 2026

Full overnight outlook

Too windy for an exposed pitch up around 900 m. Lower down, a mixed night to camp, mainly because of the wind. Gusts reach about 45 mph around 900 m and nearer 30 mph around 300 m, enough to damage a tent on open ground. Pitch low down and in real shelter, or leave it for another night. Expect about 6 mm of rain, with rain while you pitch and still falling when you pack up. Above about 600 m you'd likely be in cloud for part of the night: damp, and hard to find your way if you need to move. A cold night, down to about 0°C around 900 m. A warm 3-season or 3–4 season bag rated to about 0°C comfort, and a warm mat, should do. Allow more if you sleep cold.

Overnight rain5.7 mm Open ground · 600 m26 mph · gusts 37 mph Morning pack-upDampness possible Sleeping-bag warmthISO comfort rating about 0°C or lower

Moon overnight

Waxing crescent moon

Illuminated disc: 20%
Moonrise: Outside this window
Moonset: 18:10 GMT

Cloud at the reference camping height may hide the Moon. Illumination describes the sunlit part of the Moon, not brightness at your pitch.

Overnight window: 13 Nov, 17:00 GMT to 14 Nov, 08:00 GMT. Approximate open-horizon times; hills can hide the Moon. Still take a headtorch.

Elevation reference (open ground)

300 m48 · mixed

Wind / gust: 21 mph / 30 mph
Typical / low: 3.6°C / 2.9°C · much of the night
In cloud: 0% of modelled night
Condensation: High

600 m35 · poor

Wind / gust: 26 mph / 37 mph
Typical / low: 3.0°C / 2.4°C · much of the night
In cloud: 100% of modelled night
Condensation: High

900 m19 · very poor

Wind / gust: 32 mph / 45 mph
Typical / low: 1.0°C / 0.4°C · much of the night
In cloud: 100% of modelled night
Condensation: High

Warmth planning: As a broad starting point, consider a warm 3-season or 3–4 season bag with an ISO/EN comfort rating at or below about 0°C. Allow more margin if you sleep cold or expect fatigue, and use an adequate insulated mat. Dampness is possible, so keep the sleep system dry and ensure its insulation remains effective if damp.

Open-hillside reference. A sheltered pitch may be calmer; cols and ridges may be much windier. Tent design and the exact pitch still matter. Read about sleeping-bag comfort ratings, pitching in strong winds or using the wild-camping forecast.

Did this match your night?Share a quick observation to help improve this beta forecast.Give feedback

Daytime · exposed rockClimbing & scramblingBetaVery poor conditions for exposed scrambling: wet, slippery rock. Poor0 View detailsHide details

Generic exposed-rock guidance

Full climbing & scrambling outlook

Very poor conditions for exposed scrambling. The rock is likely to be wet and slippery through the day. Icy patches are likely on the rock, which makes it treacherous without winter kit. Gusts of 35–45 mph could throw you off balance on exposed moves and ridges. Cloud on the tops may make route-finding and retreat harder. The rock around the summit is mostly sandstone, a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away. These are general notes for each rock type, taken from geological maps around the summit, so the rock on your line may differ.

Rock surfaceWet rock likelyPeak gust35-45 mphRain4.9 mm

Main factorsgusts of 35–45 mphwet rock likelymuch of the route may be in cloud

Representative rock around the summit Pebbly (gravelly) sandstone Applecross Formation

Origin: Sedimentary
Broad rock-response group: Sandstone or gritstone
Mapping: BGS Geology 50K · 1:50,000
Summit area: Sandstone or gritstone in 71% of 17 BGS samples within 350 m
Summit pin: Quartzite (Basal Quartzite Member)
Rock-response profile: High confidence

View the summit BGS record

Sandstone is a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away. These are general notes for each rock type, from geological map samples at and around the summit. The rock on your line can differ, and lichen, vegetation and seepage all change how it feels underfoot.

Geological detail and BGS records

Mapped variation

2 rock types appear in the mapped samples

Samples around the summit inform the main rock-response profile, with the summit pin shown separately where it differs. Route samples add further context, but this is not a continuous geological survey.

Summit-area sample Quartzite Basal Quartzite Member

Quartzite is a very hard rock made almost entirely of quartz. It grips well when dry and is notoriously slippery when wet. It splits into sharp, angular blocks, so expect loose scree and boulder fields, and edges that can cut gloves and hands.

BGS record

Summit-area sample Pebbly (gravelly) sandstone Applecross Formation

Sandstone is a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away.

BGS record

Generic exposed scrambling terrain; BGS summit-area bedrock samples are included where available, but route grade, exact rock, polish, drainage and escape options remain unresolved. Contains British Geological Survey materials © UKRI 2026. How to use the climbing and scrambling forecast.

Did this match your experience?Tell us about the rock surface and wind to help improve this beta forecast.Give feedback

Overnight · Aurora, stars & meteorsAfter darkBetaMostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars. View forecastClose forecast

After dark: aurora and stargazing

Night beginning 2026-11-13. All times are UK local time.

A noticeable aurora display is unlikely; any glow may be faint or camera-only

Too quiet for a likely sighting from here. Activity peaks around Kp 1.7 (on a 0 to 9 scale). It would take about Kp 3.3 for a camera to pick up a glow low in the north, though that is not a hard line.

Activity can change at short notice. Check again on the night.

Stargazing

Poor sky conditions during the best available spell: 14 Nov, 05:00 GMT to 05:45 GMT.

Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.

Moon-free dark sky: 13 Nov, 18:25 GMT to 14 Nov, 05:45 GMT.

Sky conditions through the night

Fully dark periods. Conditions can change between forecast hours.
Time	Viewing conditions
13 Nov, 18:25 GMT to 19:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
13 Nov, 19:00 GMT to 20:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
13 Nov, 20:00 GMT to 21:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
13 Nov, 21:00 GMT to 22:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
13 Nov, 22:00 GMT to 23:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
13 Nov, 23:00 GMT to 14 Nov, 00:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
14 Nov, 00:00 GMT to 01:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
14 Nov, 01:00 GMT to 02:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
14 Nov, 02:00 GMT to 03:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
14 Nov, 03:00 GMT to 04:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
14 Nov, 04:00 GMT to 05:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
14 Nov, 05:00 GMT to 05:45 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.

Moon, darkness and meteor showers

Crescent moon, about 20% illuminated.

Moonset around 13 Nov, 18:00 GMT.

Full darkness: 13 Nov, 18:25 GMT to 14 Nov, 05:45 GMT.

Moon times assume an open horizon. Hills can hide the Moon sooner. Moon-free does not mean cloud-free.

Southern Taurids are active on this night. Activity may be much lower away from the peak.

Northern Taurids are active on this night. Activity may be much lower away from the peak.

Leonids are active on this night. Activity may be much lower away from the peak.

Southern Taurids: peak around 10 October 2026.
Northern Taurids: peak around 12 November 2026.
Leonids: peak around 18 November 2026.
Geminids: peak around 14 December 2026.
Ursids: peak around 22 December 2026.

Dates from the Royal Observatory Greenwich. Activity dates do not guarantee visible meteors. Look across a broad, dark sky, not only north.

Darkness of the surroundings

Estimated darkness rank 76 of 980 assessed peaks (1 is darkest), based on surrounding artificial light in 2021. This is not a measurement of tonight’s sky.

2021 artificial-light baseline, not measured sky brightness or a Bortle class. Changes to lighting, blue-rich LEDs, terrain screening, atmospheric scattering and cloud-reflected light are not resolved. Similar ranks are not meaningfully distinct. Darkness is not a recommendation to climb a summit at night.

VIIRS nighttime lights: Earth Observation Group, Payne Institute for Public Policy, Colorado School of Mines. Reprocessed by OpenGeoHub/OpenLandMap. Cropped and ranked by Mountain Weather.

Sky-weather grades exclude light pollution, terrain and thin haze. They are not mountain safety ratings. Check the mountain and camping forecast separately. Accessible lower viewpoints may be a better choice than summits.

Explore the dedicated aurora forecast, meteor shower forecast or dark-sky and astrophotography forecast.

Recommended kit for this dayWeather-aware packing prompts, plus your core hillwalking kitView kit

For a day hillwalk, not a complete route-specific checklist. Carry navigation and backup you can use, warm and waterproof layers, suitable footwear, food and water, a headtorch, emergency shelter, first aid and a way to call for help. Snow, ice, technical terrain and overnight trips need additional equipment and skills.

Does the weather shape your plans?Optional hill-user research. One answer helps; further questions are up to you.Take part

Help the Mountain Decisions Project understand how forecasts influence hill days, including when plans stay the same. Findings will be shared publicly as summaries, not individual responses.

This is about Sgòrr nan Lochan Uaine on Friday 13 November 2026. It asks about intentions, not whether you actually went out. No name or account is needed.

Open the questions to take part.

About the research and your privacy · Already been out? Share that experience instead

Saturday 14 November 2026Confidence: Medium

Overall hill weather0Poor

Summit wind · 08:00-17:0025-35 mph westerly Summit gusts · 08:00-17:0040-50 mph Feels like-8 to -4°C PrecipitationUp to around 2 mm Cloud-free summit estimate20% Cloud base through day500-800 m Freezing level900-1,200 m DaylightSunrise 08:02 · Sunset 16:08 · 8.1 hours daylight

The day on the hill

A poor day on the tops of Sgòrr nan Lochan Uaine, with sleet or snow on the tops and the summit in cloud for most of the day.

Snow and navigation

Sleet or snow is possible on the tops during the morning and afternoon, with small temperature changes affecting the mix. The air freezing level is roughly 1000 to 1100 m above sea level. Snow can fall below this, but its lower limit is uncertain.

Wind

On the summit expect a westerly wind of 25–35 mph for most of the day, with gusts of 40–50 mph at the windiest. Lower down on the open hillside it will be more like 5–15 mph. Gusts like that are strong enough to make walking into it hard work, with buffeting on ridges and edges.

Cloud and visibility

Expect the summit to be in cloud for most of the day. The cloud base could be as low as 500–800 m early in the morning. In cloud you'll be finding your way without landmarks, so carry navigation you trust and know how to use, with a backup such as a spare battery or a map and compass.

Rain and ground

Sleet for much of the day. Expect up to 2 mm in total, measured as melted water, so any snow would lie deeper. The timing could shift by a few hours.

Warmth and kit

On the tops it will be around 0 to 4°C, feeling like -8 to -4°C in the wind. The freezing level is close to summit height. Take a hat, gloves, a windproof and a spare warm layer. Pack waterproofs too, and keep a warm layer dry in your pack.

Daylight

A short day, with only about 8 hours of daylight. Sunset is around 4:10pm, so allow time to get off the hill before dark, and carry a head torch.

Forecast confidence

There is some disagreement between forecast models on wind strength. It's still three days off and could change, so check again nearer the time.

Sunshine context Model-grid estimate, not summit sunshine

The surrounding model grid indicates 0 h of sunshine. This is not a forecast of time in sunshine on the summit. Use the cloud and views outlook above for the conditions on this mountain.

Early: 0 h
Midday: 0 h
Later: 0 h

Overnight forecast: 17:00–08:00 (UK local time), in Wild camping below.

Morning · 08:00–12:00 Severe hill conditions Summit winds around 25-35 mph. Gusts around 40-50 mph are possible on exposed ground. Gusts this strong can make walking into it hard work, with buffeting on ridges and edges. Rain is forecast during this period. Rain is possible during the morning, but forecast models disagree on whether it will fall. Rain is possible during the main walking period, but its timing may shift by several hours.

-4

Afternoon · 12:00–17:00 Poor Summit winds around 25-35 mph. Gusts around 35-45 mph are possible on exposed ground. Gusts this strong can make walking into it hard work, with buffeting on ridges and edges. Rain is forecast during this period. Rain is possible during the main walking period, but its timing may shift by several hours.

3

Compare an early start with later conditions. The main forecast above covers the day in more detail.

Overnight · 17:00–08:00Wild campingBetaA poor night to camp on open ground: gusts of about 35 mph and around 9 mm of rain. 35Poor · 600 m View detailsHide details

Night beginning Saturday 14 November 2026

Full overnight outlook

A poor night to camp on open ground. Gusts reach about 35 mph around 900 m and nearer 25 mph around 300 m, which makes for a noisy, testing night even in a good tent. Look for shelter from the west. The wind swings from westerly to southerly overnight, so a pitch sheltered at dusk may not be by morning. Expect a wet night, around 9 mm of rain, with rain while you pitch and still falling when you pack up. Above about 600 m you'd likely be in cloud for part of the night: damp, and hard to find your way if you need to move. A cold night, down to about 1°C around 900 m. A warm 3-season or 3–4 season bag rated to about 0°C comfort, and a warm mat, should do. Allow more if you sleep cold.

Overnight rain9.3 mm Open ground · 600 m13 mph · gusts 29 mph Morning pack-upDampness possible Sleeping-bag warmthISO comfort rating about 0°C or lower

Moon overnight

Waxing crescent moon

Illuminated disc: 27%
Moonrise: Outside this window
Moonset: 19:28 GMT

Cloud at the reference camping height may hide the Moon. Illumination describes the sunlit part of the Moon, not brightness at your pitch.

Overnight window: 14 Nov, 17:00 GMT to 15 Nov, 08:00 GMT. Approximate open-horizon times; hills can hide the Moon. Still take a headtorch.

Elevation reference (open ground)

300 m48 · mixed

Wind / gust: 11 mph / 24 mph
Typical / low: 3.8°C / 2.5°C · much of the night
In cloud: 0% of modelled night
Condensation: High

600 m35 · poor

Wind / gust: 13 mph / 29 mph
Typical / low: 3.1°C / 2.0°C · much of the night
In cloud: 100% of modelled night
Condensation: High

900 m28 · poor

Wind / gust: 16 mph / 36 mph
Typical / low: 1.0°C / 0.6°C · much of the night
In cloud: 100% of modelled night
Condensation: High

Warmth planning: As a broad starting point, consider a warm 3-season or 3–4 season bag with an ISO/EN comfort rating at or below about 0°C. Allow more margin if you sleep cold or expect fatigue, and use an adequate insulated mat. Dampness is possible, so keep the sleep system dry and ensure its insulation remains effective if damp.

Open-hillside reference. A sheltered pitch may be calmer; cols and ridges may be much windier. Tent design and the exact pitch still matter. Read about sleeping-bag comfort ratings, pitching in strong winds or using the wild-camping forecast.

Did this match your night?Share a quick observation to help improve this beta forecast.Give feedback

Daytime · exposed rockClimbing & scramblingBetaVery poor conditions for exposed scrambling: wet, slippery rock. Poor0 View detailsHide details

Generic exposed-rock guidance

Full climbing & scrambling outlook

Very poor conditions for exposed scrambling. The rock is likely to be wet and slippery through the day. Snow is likely on the rock and ledges, so it becomes a winter route. Gusts of 40–50 mph could throw you off balance on exposed moves and ridges. Cloud on the tops may make route-finding and retreat harder. The rock around the summit is mostly sandstone, a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away. These are general notes for each rock type, taken from geological maps around the summit, so the rock on your line may differ.

Rock surfaceWet rock likelyPeak gust40-50 mphRain2.5 mm

Main factorsgusts of 40–50 mphwet rock likelymuch of the route may be in cloud

Representative rock around the summit Pebbly (gravelly) sandstone Applecross Formation

Origin: Sedimentary
Broad rock-response group: Sandstone or gritstone
Mapping: BGS Geology 50K · 1:50,000
Summit area: Sandstone or gritstone in 71% of 17 BGS samples within 350 m
Summit pin: Quartzite (Basal Quartzite Member)
Rock-response profile: High confidence

View the summit BGS record

Sandstone is a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away. These are general notes for each rock type, from geological map samples at and around the summit. The rock on your line can differ, and lichen, vegetation and seepage all change how it feels underfoot.

Geological detail and BGS records

Mapped variation

2 rock types appear in the mapped samples

Samples around the summit inform the main rock-response profile, with the summit pin shown separately where it differs. Route samples add further context, but this is not a continuous geological survey.

Summit-area sample Quartzite Basal Quartzite Member

Quartzite is a very hard rock made almost entirely of quartz. It grips well when dry and is notoriously slippery when wet. It splits into sharp, angular blocks, so expect loose scree and boulder fields, and edges that can cut gloves and hands.

BGS record

Summit-area sample Pebbly (gravelly) sandstone Applecross Formation

Sandstone is a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away.

BGS record

Generic exposed scrambling terrain; BGS summit-area bedrock samples are included where available, but route grade, exact rock, polish, drainage and escape options remain unresolved. Contains British Geological Survey materials © UKRI 2026. How to use the climbing and scrambling forecast.

Did this match your experience?Tell us about the rock surface and wind to help improve this beta forecast.Give feedback

Overnight · Aurora, stars & meteorsAfter darkBetaSome forecasts show clear spells, others keep it cloudy; check again nearer the time. View forecastClose forecast

After dark: aurora and stargazing

Night beginning 2026-11-14. All times are UK local time.

Stargazing

Mixed sky conditions during the best available spell: 15 Nov, 05:00 GMT to 05:45 GMT.

Some forecasts show clear spells, others keep it cloudy; check again nearer the time.

Moon-free dark sky: 14 Nov, 19:20 GMT to 15 Nov, 05:45 GMT.

Sky conditions through the night

Fully dark periods. Conditions can change between forecast hours.
Time	Viewing conditions
14 Nov, 18:25 GMT to 19:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
14 Nov, 19:00 GMT to 20:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
14 Nov, 20:00 GMT to 21:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
14 Nov, 21:00 GMT to 22:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
14 Nov, 22:00 GMT to 23:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
14 Nov, 23:00 GMT to 15 Nov, 00:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
15 Nov, 00:00 GMT to 01:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
15 Nov, 01:00 GMT to 02:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
15 Nov, 02:00 GMT to 03:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
15 Nov, 03:00 GMT to 04:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.
15 Nov, 04:00 GMT to 05:00 GMT	Poor sky conditions Some forecasts show clear spells, others keep it cloudy; check again nearer the time. Forecast models disagree.
15 Nov, 05:00 GMT to 05:45 GMT	Mixed sky conditions Some forecasts show clear spells, others keep it cloudy; check again nearer the time. Forecast models disagree.

Moon, darkness and meteor showers

Crescent moon, about 28% illuminated.

Moonset around 14 Nov, 19:20 GMT.

Full darkness: 14 Nov, 18:25 GMT to 15 Nov, 05:45 GMT.

Moon times assume an open horizon. Hills can hide the Moon sooner. Moon-free does not mean cloud-free.

Southern Taurids are active on this night. Activity may be much lower away from the peak.

Northern Taurids are active on this night. Activity may be much lower away from the peak.

Leonids are active on this night. Activity may be much lower away from the peak.

Southern Taurids: peak around 10 October 2026.
Northern Taurids: peak around 12 November 2026.
Leonids: peak around 18 November 2026.
Geminids: peak around 14 December 2026.
Ursids: peak around 22 December 2026.

Dates from the Royal Observatory Greenwich. Activity dates do not guarantee visible meteors. Look across a broad, dark sky, not only north.

Darkness of the surroundings

Estimated darkness rank 76 of 980 assessed peaks (1 is darkest), based on surrounding artificial light in 2021. This is not a measurement of tonight’s sky.

2021 artificial-light baseline, not measured sky brightness or a Bortle class. Changes to lighting, blue-rich LEDs, terrain screening, atmospheric scattering and cloud-reflected light are not resolved. Similar ranks are not meaningfully distinct. Darkness is not a recommendation to climb a summit at night.

VIIRS nighttime lights: Earth Observation Group, Payne Institute for Public Policy, Colorado School of Mines. Reprocessed by OpenGeoHub/OpenLandMap. Cropped and ranked by Mountain Weather.

Sky-weather grades exclude light pollution, terrain and thin haze. They are not mountain safety ratings. Check the mountain and camping forecast separately. Accessible lower viewpoints may be a better choice than summits.

Explore the dedicated aurora forecast, meteor shower forecast or dark-sky and astrophotography forecast.

Recommended kit for this dayWeather-aware packing prompts, plus your core hillwalking kitView kit

For a day hillwalk, not a complete route-specific checklist. Carry navigation and backup you can use, warm and waterproof layers, suitable footwear, food and water, a headtorch, emergency shelter, first aid and a way to call for help. Snow, ice, technical terrain and overnight trips need additional equipment and skills.

Does the weather shape your plans?Optional hill-user research. One answer helps; further questions are up to you.Take part

Help the Mountain Decisions Project understand how forecasts influence hill days, including when plans stay the same. Findings will be shared publicly as summaries, not individual responses.

This is about Sgòrr nan Lochan Uaine on Saturday 14 November 2026. It asks about intentions, not whether you actually went out. No name or account is needed.

Open the questions to take part.

About the research and your privacy · Already been out? Share that experience instead

Sunday 15 November 2026Confidence: Medium

Overall hill weather42Poor

Summit wind · 08:00-17:005-15 mph southerly Summit gusts · 08:00-17:0010-20 mph Feels like-6 to -2°C PrecipitationUp to around 2 mm Cloud-free summit estimate35% Cloud base through day400-1,000 m Freezing level800-1,100 m DaylightSunrise 08:04 · Sunset 16:06 · 8.0 hours daylight

The day on the hill

A poor day on the tops of Sgòrr nan Lochan Uaine, with sleet or snow on the tops and cloud coming and going on the summit.

Snow and navigation

Sleet or snow is possible on the tops during the morning and afternoon, with small temperature changes affecting the mix. The air freezing level is roughly 900 to 1100 m above sea level. Snow can fall below this, but its lower limit is uncertain.

Wind

On the summit expect light winds of up to 15 mph, mainly southerly, with gusts of 10–20 mph at the windiest. Lower down on the open hillside the wind will be light, under 10 mph.

Cloud and visibility

Expect the summit to be in cloud for most of the day. The cloud base could be as low as 400–700 m in the early afternoon. In cloud you'll be finding your way without landmarks, so carry navigation you trust and know how to use, with a backup such as a spare battery or a map and compass. Mist or fog is possible in the valleys early on, clearing by about 4am.

Rain and ground

Sleet for much of the day. Expect up to 2 mm in total, measured as melted water, so any snow would lie deeper. Some forecast models keep it drier in the morning.

Warmth and kit

On the tops it will be around -2 to 2°C, feeling like -6 to -2°C in the wind. The freezing level is close to summit height. Take a hat, gloves, a windproof and a spare warm layer. Pack waterproofs too, and keep a warm layer dry in your pack.

Daylight

A short day, with only about 8 hours of daylight. Sunset is around 4:05pm, so allow time to get off the hill before dark, and carry a head torch.

Forecast confidence

It's still four days off and could change, so check again nearer the time.

Sunshine context Model-grid estimate, not summit sunshine

The surrounding model grid indicates 6 h of sunshine. This is not a forecast of time in sunshine on the summit. Use the cloud and views outlook above for the conditions on this mountain.

Cloud may obscure this summit even while the surrounding model grid indicates sunshine. The low cloud-free summit estimate is a reason to be cautious about expecting views.

Early: 1 h
Midday: 3.9 h
Later: 0 h

Overnight forecast: 17:00–08:00 (UK local time), in Wild camping below.

Morning · 08:00–12:00 Poor Summit winds around 5-15 mph. Gusts around 10-20 mph are possible on exposed ground. Rain is forecast during this period. Some forecast models bring rain during the morning, while others keep it mostly dry.

46

Afternoon · 12:00–17:00 Poor Summit winds around 5-15 mph. Gusts around 10-20 mph are possible on exposed ground. Rain is forecast during this period. Rain is possible during the afternoon, but forecast models disagree on whether it will fall.

38

Compare an early start with later conditions. The main forecast above covers the day in more detail.

Overnight · 17:00–08:00Wild campingBetaA mixed night to camp, mainly because of damp air: dry, with light winds. 54Mixed · 600 m View detailsHide details

Night beginning Sunday 15 November 2026

Full overnight outlook

A mixed night to camp, mainly because of damp air. Light winds on open ground, gusting no more than about 25 mph. The wind swings from southerly to southeasterly overnight, so a pitch sheltered at dusk may not be by morning. It should stay dry. Above about 600 m you'd likely be in cloud for part of the night: damp, and hard to find your way if you need to move. The air is damp at every height we checked (300-900 m), so expect heavy condensation. Leave the vents open. A cold night, down to about 0°C around 900 m. A warm 3-season or 3–4 season bag rated to about -2°C comfort, and a warm mat, should do. Allow more if you sleep cold.

Overnight rain0.1 mm Open ground · 600 m9 mph · gusts 20 mph Morning pack-upDampness possible Sleeping-bag warmthISO comfort rating about -2°C or lower

Moon overnight

Waxing crescent moon

Illuminated disc: 36%
Moonrise: Outside this window
Moonset: 20:50 GMT

Extensive cloud may limit moonlight. Illumination describes the sunlit part of the Moon, not brightness at your pitch.

Overnight window: 15 Nov, 17:00 GMT to 16 Nov, 08:00 GMT. Approximate open-horizon times; hills can hide the Moon. Still take a headtorch.

Elevation reference (open ground)

300 m59 · mixed

Wind / gust: 8 mph / 16 mph
Typical / low: 2.8°C / 0.7°C · much of the night
In cloud: 0% of modelled night
Condensation: High

600 m54 · mixed

Wind / gust: 9 mph / 20 mph
Typical / low: 1.9°C / 1.5°C · much of the night
In cloud: 87% of modelled night
Condensation: High

900 m54 · mixed

Wind / gust: 12 mph / 23 mph
Typical / low: 1.0°C / 0.3°C · much of the night
In cloud: 100% of modelled night
Condensation: High

Warmth planning: As a broad starting point, consider a warm 3-season or 3–4 season bag with an ISO/EN comfort rating at or below about -2°C. Allow more margin if you sleep cold or expect fatigue, and use an adequate insulated mat. Dampness is possible, so keep the sleep system dry and ensure its insulation remains effective if damp.

Open-hillside reference. A sheltered pitch may be calmer; cols and ridges may be much windier. Tent design and the exact pitch still matter. Read about sleeping-bag comfort ratings, pitching in strong winds or using the wild-camping forecast.

Did this match your night?Share a quick observation to help improve this beta forecast.Give feedback

Daytime · exposed rockClimbing & scramblingBetaVery poor conditions for exposed scrambling: wet, slippery rock. Poor0 View detailsHide details

Generic exposed-rock guidance

Full climbing & scrambling outlook

Very poor conditions for exposed scrambling. The rock is likely to be wet and slippery through the day. Snow is likely on the rock and ledges, so it becomes a winter route. Cloud on the tops may make route-finding and retreat harder. The rock around the summit is mostly sandstone, a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away. These are general notes for each rock type, taken from geological maps around the summit, so the rock on your line may differ.

Rock surfaceWet rock likelyPeak gust10-20 mphRain2.0 mm

Main factorswet rock likelymuch of the route may be in cloudSnow is likely to be lying on high ground. Scrambling may require winter mountaineering skills and equipment

Representative rock around the summit Pebbly (gravelly) sandstone Applecross Formation

Origin: Sedimentary
Broad rock-response group: Sandstone or gritstone
Mapping: BGS Geology 50K · 1:50,000
Summit area: Sandstone or gritstone in 71% of 17 BGS samples within 350 m
Summit pin: Quartzite (Basal Quartzite Member)
Rock-response profile: High confidence

View the summit BGS record

Sandstone is a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away. These are general notes for each rock type, from geological map samples at and around the summit. The rock on your line can differ, and lichen, vegetation and seepage all change how it feels underfoot.

Geological detail and BGS records

Mapped variation

2 rock types appear in the mapped samples

Samples around the summit inform the main rock-response profile, with the summit pin shown separately where it differs. Route samples add further context, but this is not a continuous geological survey.

Summit-area sample Quartzite Basal Quartzite Member

Quartzite is a very hard rock made almost entirely of quartz. It grips well when dry and is notoriously slippery when wet. It splits into sharp, angular blocks, so expect loose scree and boulder fields, and edges that can cut gloves and hands.

BGS record

Summit-area sample Pebbly (gravelly) sandstone Applecross Formation

Sandstone is a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away.

BGS record

Generic exposed scrambling terrain; BGS summit-area bedrock samples are included where available, but route grade, exact rock, polish, drainage and escape options remain unresolved. Contains British Geological Survey materials © UKRI 2026. How to use the climbing and scrambling forecast.

Did this match your experience?Tell us about the rock surface and wind to help improve this beta forecast.Give feedback

Overnight · Aurora, stars & meteorsAfter darkBetaSome forecasts show clear spells, others keep it cloudy; check again nearer the time. View forecastClose forecast

After dark: aurora and stargazing

Night beginning 2026-11-15. All times are UK local time.

Aurora outlook

Nothing notable expected.

A broad activity outlook, not a forecast of a visible display. Cloud and activity can change before the night.

Stargazing

Mixed sky conditions during the best available spell: 16 Nov, 02:00 GMT to 03:00 GMT.

Some forecasts show clear spells, others keep it cloudy; check again nearer the time.

Moon-free dark sky: 15 Nov, 20:50 GMT to 16 Nov, 05:50 GMT.

Sky conditions through the night

Fully dark periods. Conditions can change between forecast hours.
Time	Viewing conditions
15 Nov, 18:25 GMT to 19:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Hazy, which dims the fainter stars.
15 Nov, 19:00 GMT to 20:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Hazy, which dims the fainter stars.
15 Nov, 20:00 GMT to 21:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Hazy, which dims the fainter stars.
15 Nov, 21:00 GMT to 22:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
15 Nov, 22:00 GMT to 23:00 GMT	Poor sky conditions Some forecasts show clear spells, others keep it cloudy; check again nearer the time. Forecast models disagree.
15 Nov, 23:00 GMT to 16 Nov, 00:00 GMT	Mixed sky conditions Some forecasts show clear spells, others keep it cloudy; check again nearer the time. Forecast models disagree.
16 Nov, 00:00 GMT to 01:00 GMT	Mixed sky conditions Some forecasts show clear spells, others keep it cloudy; check again nearer the time. Forecast models disagree.
16 Nov, 01:00 GMT to 02:00 GMT	Mixed sky conditions Some forecasts show clear spells, others keep it cloudy; check again nearer the time. Forecast models disagree.
16 Nov, 02:00 GMT to 03:00 GMT	Mixed sky conditions Some forecasts show clear spells, others keep it cloudy; check again nearer the time. Forecast models disagree.
16 Nov, 03:00 GMT to 04:00 GMT	Mixed sky conditions Some forecasts show clear spells, others keep it cloudy; check again nearer the time. Forecast models disagree.
16 Nov, 04:00 GMT to 05:00 GMT	Mixed sky conditions Some forecasts show clear spells, others keep it cloudy; check again nearer the time. Forecast models disagree.
16 Nov, 05:00 GMT to 05:50 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Hazy, which dims the fainter stars.

Moon, darkness and meteor showers

Crescent moon, about 36% illuminated.

Moonset around 15 Nov, 20:50 GMT.

Full darkness: 15 Nov, 18:25 GMT to 16 Nov, 05:50 GMT.

Moon times assume an open horizon. Hills can hide the Moon sooner. Moon-free does not mean cloud-free.

Southern Taurids are active on this night. Activity may be much lower away from the peak.

Northern Taurids are active on this night. Activity may be much lower away from the peak.

Leonids are active on this night. Activity may be much lower away from the peak.

Southern Taurids: peak around 10 October 2026.
Northern Taurids: peak around 12 November 2026.
Leonids: peak around 18 November 2026.
Geminids: peak around 14 December 2026.
Ursids: peak around 22 December 2026.

Dates from the Royal Observatory Greenwich. Activity dates do not guarantee visible meteors. Look across a broad, dark sky, not only north.

Darkness of the surroundings

Estimated darkness rank 76 of 980 assessed peaks (1 is darkest), based on surrounding artificial light in 2021. This is not a measurement of tonight’s sky.

2021 artificial-light baseline, not measured sky brightness or a Bortle class. Changes to lighting, blue-rich LEDs, terrain screening, atmospheric scattering and cloud-reflected light are not resolved. Similar ranks are not meaningfully distinct. Darkness is not a recommendation to climb a summit at night.

VIIRS nighttime lights: Earth Observation Group, Payne Institute for Public Policy, Colorado School of Mines. Reprocessed by OpenGeoHub/OpenLandMap. Cropped and ranked by Mountain Weather.

Sky-weather grades exclude light pollution, terrain and thin haze. They are not mountain safety ratings. Check the mountain and camping forecast separately. Accessible lower viewpoints may be a better choice than summits.

Explore the dedicated aurora forecast, meteor shower forecast or dark-sky and astrophotography forecast.

Recommended kit for this dayWeather-aware packing prompts, plus your core hillwalking kitView kit

For a day hillwalk, not a complete route-specific checklist. Carry navigation and backup you can use, warm and waterproof layers, suitable footwear, food and water, a headtorch, emergency shelter, first aid and a way to call for help. Snow, ice, technical terrain and overnight trips need additional equipment and skills.

Does the weather shape your plans?Optional hill-user research. One answer helps; further questions are up to you.Take part

Help the Mountain Decisions Project understand how forecasts influence hill days, including when plans stay the same. Findings will be shared publicly as summaries, not individual responses.

This is about Sgòrr nan Lochan Uaine on Sunday 15 November 2026. It asks about intentions, not whether you actually went out. No name or account is needed.

Open the questions to take part.

About the research and your privacy · Already been out? Share that experience instead

Monday 16 November 2026Confidence: Unavailable

Overall hill weather69Mixed

Summit wind · 08:00-17:0015-30 mph southeasterly Summit gusts · 08:00-17:0030-40 mph Feels like-10 to -6°C PrecipitationLittle or none Cloud-free summit estimate50% Cloud base through day1,000-1,300 m Freezing level700-1,000 m DaylightSunrise 08:06 · Sunset 16:04 · 8.0 hours daylight

The day on the hill

A mixed day on Sgòrr nan Lochan Uaine, with a blustery wind.

Wind

On the summit expect a south-easterly wind of 15–30 mph for most of the day, with gusts of 30–40 mph at the windiest. Lower down on the open hillside the wind will be light, under 10 mph. Gusts like that are strong enough to make walking into it hard work, with buffeting on ridges and edges. If the windier forecast models are right, summit gusts could reach 70–80 mph. It gets windier still after dark, with summit gusts of 40–50 mph, so bear that in mind if you will be out late.

Cloud and visibility

The tops are likely to drift in and out of cloud, with the best chance of a clear summit early in the morning. A few forecast models bring the cloud base down to around 400–700 m at times. The cloud base sits close to summit height, so the top could go in and out of cloud at short notice. Mist or fog is possible in the valleys early on, clearing by about 7am.

Rain and ground

Mostly dry, but some forecast models bring rain in the afternoon.

Warmth and kit

On the tops it will be around -2 to 2°C, feeling like -10 to -6°C in the wind. The freezing level is close to summit height. Take a hat, gloves, a windproof and a spare warm layer.

Daylight

A short day, with only about 8 hours of daylight. Sunset is around 4:05pm, so allow time to get off the hill before dark, and carry a head torch.

Forecast confidence

Cloud heights are particularly hard to pin down today. It's still five days off and could change, so check again nearer the time.

Sunshine context Model-grid estimate, not summit sunshine

The surrounding model grid indicates 6.9 h of sunshine. This is not a forecast of time in sunshine on the summit. Use the cloud and views outlook above for the conditions on this mountain.

Early: 1 h
Midday: 4 h
Later: 0 h

Overnight forecast: 17:00–08:00 (UK local time), in Wild camping below.

Morning · 08:00–12:00 Good Summit winds around 15-25 mph. Gusts around 20-30 mph are possible on exposed ground.

79

Afternoon · 12:00–17:00 Mixed Summit winds around 20-30 mph. Gusts around 30-40 mph are possible on exposed ground. Gusts this strong can make walking into it hard work, with buffeting on ridges and edges. Summit cloud is more persistent early in this period, with better prospects later. Some forecast models bring rain during the afternoon, while others keep it mostly dry.

59

Compare an early start with later conditions. The main forecast above covers the day in more detail.

Overnight · 17:00–08:00Wild campingBetaNot a night to camp on the open hill: gusts of about 75 mph and around 9 mm of rain. 0Poor · 600 m View detailsHide details

Night beginning Monday 16 November 2026

Full overnight outlook

Not a night to camp on the open hill. Gusts reach about 75 mph around 900 m and nearer 50 mph around 300 m, strong enough to flatten or tear a tent. Don't count on finding shelter once you're up there. Choose another night or a low, sheltered spot. Expect a wet night, around 9 mm of rain, with rain while you pitch and still falling when you pack up. A frost up around 900 m, down to about -1°C. A warm 3-season or 3–4 season bag rated to about -2°C comfort, and a warm mat, should do. Allow more if you sleep cold.

Overnight rain9.1 mm Open ground · 600 m37 mph · gusts 62 mph Morning pack-upDampness possible Sleeping-bag warmthISO comfort rating about -2°C or lower

Moon overnight

First-quarter moon

Illuminated disc: 46%
Moonrise: Outside this window
Moonset: 22:13 GMT

Extensive cloud may limit moonlight. Illumination describes the sunlit part of the Moon, not brightness at your pitch.

Overnight window: 16 Nov, 17:00 GMT to 17 Nov, 08:00 GMT. Approximate open-horizon times; hills can hide the Moon. Still take a headtorch.

Elevation reference (open ground)

300 m9 · very poor

Wind / gust: 31 mph / 52 mph
Typical / low: 3.9°C / 1.5°C · much of the night
In cloud: 0% of modelled night
Condensation: Low

600 m0 · very poor

Wind / gust: 37 mph / 62 mph
Typical / low: 2.5°C / 1.3°C · much of the night
In cloud: 0% of modelled night
Condensation: Low

900 m0 · very poor

Wind / gust: 46 mph / 73 mph
Typical / low: -0.1°C / -0.8°C · much of the night
In cloud: 0% of modelled night
Condensation: Moderate

Warmth planning: As a broad starting point, consider a warm 3-season or 3–4 season bag with an ISO/EN comfort rating at or below about -2°C. Allow more margin if you sleep cold or expect fatigue, and use an adequate insulated mat. Dampness is possible, so keep the sleep system dry and ensure its insulation remains effective if damp.

Open-hillside reference. A sheltered pitch may be calmer; cols and ridges may be much windier. Tent design and the exact pitch still matter. Read about sleeping-bag comfort ratings, pitching in strong winds or using the wild-camping forecast.

Did this match your night?Share a quick observation to help improve this beta forecast.Give feedback

Daytime · exposed rockClimbing & scramblingBetaVery poor conditions for exposed scrambling. Poor0 View detailsHide details

Generic exposed-rock guidance

Full climbing & scrambling outlook

Very poor conditions for exposed scrambling. After recent rain the rock may still be wet in places, especially shaded holds and drainage lines. Icy patches are likely on the rock, which makes it treacherous without winter kit. Gusts of 30–40 mph could throw you off balance on exposed moves and ridges. The rock around the summit is mostly sandstone, a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away. These are general notes for each rock type, taken from geological maps around the summit, so the rock on your line may differ.

Rock surfaceDry overhead; seepage uncertainPeak gust30-40 mphRain0.1 mm

Main factorsgusts of 30–40 mphdamp or incompletely dried rock possibleSnow is likely to be lying on high ground, with further snowfall possible during the day

Representative rock around the summit Pebbly (gravelly) sandstone Applecross Formation

Origin: Sedimentary
Broad rock-response group: Sandstone or gritstone
Mapping: BGS Geology 50K · 1:50,000
Summit area: Sandstone or gritstone in 71% of 17 BGS samples within 350 m
Summit pin: Quartzite (Basal Quartzite Member)
Rock-response profile: High confidence

View the summit BGS record

Sandstone is a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away. These are general notes for each rock type, from geological map samples at and around the summit. The rock on your line can differ, and lichen, vegetation and seepage all change how it feels underfoot.

Geological detail and BGS records

Mapped variation

2 rock types appear in the mapped samples

Samples around the summit inform the main rock-response profile, with the summit pin shown separately where it differs. Route samples add further context, but this is not a continuous geological survey.

Summit-area sample Quartzite Basal Quartzite Member

Quartzite is a very hard rock made almost entirely of quartz. It grips well when dry and is notoriously slippery when wet. It splits into sharp, angular blocks, so expect loose scree and boulder fields, and edges that can cut gloves and hands.

BGS record

Summit-area sample Pebbly (gravelly) sandstone Applecross Formation

Sandstone is a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away.

BGS record

Generic exposed scrambling terrain; BGS summit-area bedrock samples are included where available, but route grade, exact rock, polish, drainage and escape options remain unresolved. Contains British Geological Survey materials © UKRI 2026. How to use the climbing and scrambling forecast.

Did this match your experience?Tell us about the rock surface and wind to help improve this beta forecast.Give feedback

Overnight · Aurora, stars & meteorsAfter darkBetaMostly cloudy, so little chance of seeing the stars. View forecastClose forecast

After dark: aurora and stargazing

Night beginning 2026-11-16. All times are UK local time.

Aurora outlook

Nothing notable expected.

A broad activity outlook, not a forecast of a visible display. Cloud and activity can change before the night.

Stargazing

Poor sky conditions during the best available spell: 16 Nov, 19:00 GMT to 20:00 GMT.

Mostly cloudy, so little chance of seeing the stars.

Moon-free dark sky: 16 Nov, 22:15 GMT to 17 Nov, 05:50 GMT.

Sky conditions through the night

Fully dark periods. Conditions can change between forecast hours.
Time	Viewing conditions
16 Nov, 18:25 GMT to 19:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
16 Nov, 19:00 GMT to 20:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
16 Nov, 20:00 GMT to 21:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
16 Nov, 21:00 GMT to 22:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
16 Nov, 22:00 GMT to 23:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
16 Nov, 23:00 GMT to 17 Nov, 00:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars.
17 Nov, 00:00 GMT to 01:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Limited model coverage.
17 Nov, 01:00 GMT to 02:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Limited model coverage.
17 Nov, 02:00 GMT to 03:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Limited model coverage.
17 Nov, 03:00 GMT to 04:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Limited model coverage.
17 Nov, 04:00 GMT to 05:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Limited model coverage.
17 Nov, 05:00 GMT to 05:50 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Limited model coverage.

Moon, darkness and meteor showers

Around half moon, about 46% illuminated.

Moonset around 16 Nov, 22:15 GMT.

Full darkness: 16 Nov, 18:25 GMT to 17 Nov, 05:50 GMT.

Moon times assume an open horizon. Hills can hide the Moon sooner. Moon-free does not mean cloud-free.

Southern Taurids are active on this night. Activity may be much lower away from the peak.

Northern Taurids are active on this night. Activity may be much lower away from the peak.

Leonids are active on this night. Activity may be much lower away from the peak.

Southern Taurids: peak around 10 October 2026.
Northern Taurids: peak around 12 November 2026.
Leonids: peak around 18 November 2026.
Geminids: peak around 14 December 2026.
Ursids: peak around 22 December 2026.

Dates from the Royal Observatory Greenwich. Activity dates do not guarantee visible meteors. Look across a broad, dark sky, not only north.

Darkness of the surroundings

Estimated darkness rank 76 of 980 assessed peaks (1 is darkest), based on surrounding artificial light in 2021. This is not a measurement of tonight’s sky.

2021 artificial-light baseline, not measured sky brightness or a Bortle class. Changes to lighting, blue-rich LEDs, terrain screening, atmospheric scattering and cloud-reflected light are not resolved. Similar ranks are not meaningfully distinct. Darkness is not a recommendation to climb a summit at night.

VIIRS nighttime lights: Earth Observation Group, Payne Institute for Public Policy, Colorado School of Mines. Reprocessed by OpenGeoHub/OpenLandMap. Cropped and ranked by Mountain Weather.

Sky-weather grades exclude light pollution, terrain and thin haze. They are not mountain safety ratings. Check the mountain and camping forecast separately. Accessible lower viewpoints may be a better choice than summits.

Explore the dedicated aurora forecast, meteor shower forecast or dark-sky and astrophotography forecast.

Recommended kit for this dayWeather-aware packing prompts, plus your core hillwalking kitView kit

For a day hillwalk, not a complete route-specific checklist. Carry navigation and backup you can use, warm and waterproof layers, suitable footwear, food and water, a headtorch, emergency shelter, first aid and a way to call for help. Snow, ice, technical terrain and overnight trips need additional equipment and skills.

Does the weather shape your plans?Optional hill-user research. One answer helps; further questions are up to you.Take part

Help the Mountain Decisions Project understand how forecasts influence hill days, including when plans stay the same. Findings will be shared publicly as summaries, not individual responses.

This is about Sgòrr nan Lochan Uaine on Monday 16 November 2026. It asks about intentions, not whether you actually went out. No name or account is needed.

Open the questions to take part.

About the research and your privacy · Already been out? Share that experience instead

Tuesday 17 November 2026Confidence: Unavailable

Overall hill weather26Poor

Summit wind · 08:00-17:0030-45 mph southerly Summit gusts · 08:00-17:0055-65 mph Feels like-10 to -6°C PrecipitationAround 2-5 mm Cloud-free summit estimate60% Cloud base through day900-1,200 m Freezing levelAbove summit DaylightSunrise 08:09 · Sunset 16:03 · 7.9 hours daylight

The day on the hill

A poor day on the tops of Sgòrr nan Lochan Uaine, with very strong, gusty winds and drizzle for much of the day.

Snow and navigation

Snow is forecast on the tops in the morning. The air freezing level is roughly 800 to 900 m above sea level. Snow can fall below this, but its lower limit is uncertain.

Wind

On the summit expect a southerly wind of 30–45 mph for most of the day, with gusts of 55–65 mph at the windiest. Lower down on the open hillside it will be more like 5–15 mph. Gusts like that are strong enough to make walking very difficult and tiring, with a risk of being blown off your feet. Avoid exposed ridges and edges. If the windier forecast models are right, summit gusts could reach 85–95 mph.

Cloud and visibility

The tops should stay mostly clear of cloud. A few forecast models bring the cloud base down to around 400–700 m at times. The cloud base sits close to summit height, so the top could go in and out of cloud at short notice. Visibility may drop briefly in showers. It looks hazy, so views may be limited even when the tops are clear.

Rain and ground

Drizzle for much of the day, becoming heavier later. Expect 2–5 mm in total.

Warmth and kit

On the tops it will be around -2 to 2°C, feeling like -10 to -6°C in the wind. The freezing level is close to summit height. Take a hat, gloves, a windproof and a spare warm layer. Pack waterproofs too, and keep a warm layer dry in your pack.

Daylight

A short day, with only about 8 hours of daylight. Sunset is around 4:05pm, so allow time to get off the hill before dark, and carry a head torch.

Forecast confidence

It's still six days off and could change, so check again nearer the time.

Sunshine context Model-grid estimate, not summit sunshine

The surrounding model grid indicates Less than 1 hour of sunshine. This is not a forecast of time in sunshine on the summit. Use the cloud and views outlook above for the conditions on this mountain.

Early: Less than 1 hour
Midday: 0 h
Later: 0 h

Overnight forecast: 17:00–08:00 (UK local time), in Wild camping below.

Morning · 08:00–12:00 Poor Summit winds around 40-50 mph early in the morning, easing to 30-40 mph later. Gusts around 55-65 mph are possible on exposed ground. Gusts this strong can make walking very difficult and tiring, with a risk of being blown off your feet. Avoid exposed ridges and edges. Rain is forecast during this period.

21

Afternoon · 12:00–17:00 Poor More rain is expected. Summit winds around 30-40 mph. Gusts around 45-55 mph are possible on exposed ground. Gusts this strong can make walking very difficult and tiring, with a risk of being blown off your feet. Avoid exposed ridges and edges. Rain is forecast during this period.

32

Compare an early start with later conditions. The main forecast above covers the day in more detail.

Overnight · 17:00–08:00Wild campingBetaToo windy for an exposed pitch above about 600 m (gusts of about 55 mph and around 16 mm of rain). Lower down, a poor night to camp on open ground. 19Poor · 600 m View detailsHide details

Night beginning Tuesday 17 November 2026

Full overnight outlook

Too windy for an exposed pitch above about 600 m. Lower down, a poor night to camp on open ground. Gusts reach about 55 mph around 900 m and nearer 40 mph around 300 m, strong enough to flatten or tear a tent. Pitch low down and in real shelter, or leave it for another night. Expect a wet night, around 16 mm of rain, with rain while you pitch and still falling when you pack up. Up around 900 m you'd likely be in cloud for part of the night: damp, and hard to find your way if you need to move. A cold night, down to about 3°C around 900 m. A 3-season bag rated to about 2°C comfort, and a warm mat, should do. Allow more if you sleep cold.

Overnight rain15.8 mm Open ground · 600 m32 mph · gusts 45 mph Morning pack-upDampness possible Sleeping-bag warmthISO comfort rating about 2°C or lower

Moon overnight

Waxing gibbous moon

Illuminated disc: 55%
Moonrise: Outside this window
Moonset: 23:36 GMT

Extensive cloud may limit moonlight. Illumination describes the sunlit part of the Moon, not brightness at your pitch.

Overnight window: 17 Nov, 17:00 GMT to 18 Nov, 08:00 GMT. Approximate open-horizon times; hills can hide the Moon. Still take a headtorch.

Elevation reference (open ground)

300 m39 · poor

Wind / gust: 27 mph / 38 mph
Typical / low: 7.4°C / 6.9°C · much of the night
In cloud: 0% of modelled night
Condensation: Moderate

600 m19 · very poor

Wind / gust: 32 mph / 45 mph
Typical / low: 5.8°C / 5.2°C · much of the night
In cloud: 0% of modelled night
Condensation: High

900 m9 · very poor

Wind / gust: 38 mph / 55 mph
Typical / low: 3.6°C / 3.0°C · much of the night
In cloud: 100% of modelled night
Condensation: High

Warmth planning: As a broad starting point, consider a 3-season bag with an ISO/EN comfort rating at or below about 2°C. Allow more margin if you sleep cold or expect fatigue, and use an adequate insulated mat. Dampness is possible, so keep the sleep system dry and ensure its insulation remains effective if damp.

Open-hillside reference. A sheltered pitch may be calmer; cols and ridges may be much windier. Tent design and the exact pitch still matter. Read about sleeping-bag comfort ratings, pitching in strong winds or using the wild-camping forecast.

Did this match your night?Share a quick observation to help improve this beta forecast.Give feedback

Daytime · exposed rockClimbing & scramblingBetaVery poor conditions for exposed scrambling: wet, slippery rock. Poor0 View detailsHide details

Generic exposed-rock guidance

Full climbing & scrambling outlook

Very poor conditions for exposed scrambling. The rock is likely to be wet and slippery through the day. Icy patches are likely on the rock, which makes it treacherous without winter kit. Gusts of 55–65 mph are strong enough to make walking very difficult and tiring, with a risk of being blown off your feet. Avoid exposed ridges and edges. The rock around the summit is mostly sandstone, a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away. These are general notes for each rock type, taken from geological maps around the summit, so the rock on your line may differ.

Rock surfaceWet rock likelyPeak gust55-65 mphRain4.9 mm

Main factorsgusts of 55–65 mphwet rock likelySnow is likely to be lying on high ground, with further snowfall possible during the day

Representative rock around the summit Pebbly (gravelly) sandstone Applecross Formation

Origin: Sedimentary
Broad rock-response group: Sandstone or gritstone
Mapping: BGS Geology 50K · 1:50,000
Summit area: Sandstone or gritstone in 71% of 17 BGS samples within 350 m
Summit pin: Quartzite (Basal Quartzite Member)
Rock-response profile: High confidence

View the summit BGS record

Sandstone is a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away. These are general notes for each rock type, from geological map samples at and around the summit. The rock on your line can differ, and lichen, vegetation and seepage all change how it feels underfoot.

Geological detail and BGS records

Mapped variation

2 rock types appear in the mapped samples

Samples around the summit inform the main rock-response profile, with the summit pin shown separately where it differs. Route samples add further context, but this is not a continuous geological survey.

Summit-area sample Quartzite Basal Quartzite Member

Quartzite is a very hard rock made almost entirely of quartz. It grips well when dry and is notoriously slippery when wet. It splits into sharp, angular blocks, so expect loose scree and boulder fields, and edges that can cut gloves and hands.

BGS record

Summit-area sample Pebbly (gravelly) sandstone Applecross Formation

Sandstone is a gritty sedimentary rock. It is rough and grippy when dry and can feel greasy when damp or covered in lichen. It is usually solid in terraced steps, but softer layers crumble and weathered edges can break away.

BGS record

Generic exposed scrambling terrain; BGS summit-area bedrock samples are included where available, but route grade, exact rock, polish, drainage and escape options remain unresolved. Contains British Geological Survey materials © UKRI 2026. How to use the climbing and scrambling forecast.

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Overnight · Aurora, stars & meteorsAfter darkBetaMostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars. View forecastClose forecast

After dark: aurora and stargazing

Night beginning 2026-11-17. All times are UK local time.

Aurora outlook

Raised geomagnetic activity is possible. This long-range outlook does not establish a visible display or clear skies.

A broad activity outlook, not a forecast of a visible display. Cloud and activity can change before the night.

Stargazing

Poor sky conditions during the best available spell: 17 Nov, 19:00 GMT to 20:00 GMT.

Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars.

Moon-free dark sky: 17 Nov, 23:35 GMT to 18 Nov, 05:55 GMT.

Sky conditions through the night

Fully dark periods. Conditions can change between forecast hours.
Time	Viewing conditions
17 Nov, 18:20 GMT to 19:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars. Limited model coverage.
17 Nov, 19:00 GMT to 20:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars. Limited model coverage.
17 Nov, 20:00 GMT to 21:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars. Limited model coverage.
17 Nov, 21:00 GMT to 22:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars. Limited model coverage.
17 Nov, 22:00 GMT to 23:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars. Limited model coverage.
17 Nov, 23:00 GMT to 18 Nov, 00:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars. Limited model coverage.
18 Nov, 00:00 GMT to 01:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars. Limited model coverage.
18 Nov, 01:00 GMT to 02:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars. Limited model coverage.
18 Nov, 02:00 GMT to 03:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars. Limited model coverage.
18 Nov, 03:00 GMT to 04:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars. Limited model coverage.
18 Nov, 04:00 GMT to 05:00 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars. Limited model coverage.
18 Nov, 05:00 GMT to 05:55 GMT	Poor sky conditions Mostly cloudy, so little chance of seeing the stars. Rain at times. Hazy, which dims the fainter stars. Limited model coverage.

Moon, darkness and meteor showers

Gibbous moon, about 56% illuminated.

Moonset around 17 Nov, 23:35 GMT.

Full darkness: 17 Nov, 18:20 GMT to 18 Nov, 05:55 GMT.

Moon times assume an open horizon. Hills can hide the Moon sooner. Moon-free does not mean cloud-free.

Southern Taurids are active on this night. Activity may be much lower away from the peak.

Northern Taurids are active on this night. Activity may be much lower away from the peak.

Leonids are active on this night. Activity may be much lower away from the peak.

Southern Taurids: peak around 10 October 2026.
Northern Taurids: peak around 12 November 2026.
Leonids: peak around 18 November 2026.
Geminids: peak around 14 December 2026.
Ursids: peak around 22 December 2026.

Dates from the Royal Observatory Greenwich. Activity dates do not guarantee visible meteors. Look across a broad, dark sky, not only north.

Darkness of the surroundings

Estimated darkness rank 76 of 980 assessed peaks (1 is darkest), based on surrounding artificial light in 2021. This is not a measurement of tonight’s sky.

2021 artificial-light baseline, not measured sky brightness or a Bortle class. Changes to lighting, blue-rich LEDs, terrain screening, atmospheric scattering and cloud-reflected light are not resolved. Similar ranks are not meaningfully distinct. Darkness is not a recommendation to climb a summit at night.

VIIRS nighttime lights: Earth Observation Group, Payne Institute for Public Policy, Colorado School of Mines. Reprocessed by OpenGeoHub/OpenLandMap. Cropped and ranked by Mountain Weather.

Sky-weather grades exclude light pollution, terrain and thin haze. They are not mountain safety ratings. Check the mountain and camping forecast separately. Accessible lower viewpoints may be a better choice than summits.

Explore the dedicated aurora forecast, meteor shower forecast or dark-sky and astrophotography forecast.

Recommended kit for this dayWeather-aware packing prompts, plus your core hillwalking kitView kit

For a day hillwalk, not a complete route-specific checklist. Carry navigation and backup you can use, warm and waterproof layers, suitable footwear, food and water, a headtorch, emergency shelter, first aid and a way to call for help. Snow, ice, technical terrain and overnight trips need additional equipment and skills.

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Sgòrr nan Lochan Uaine weather forecast.

Choose your hill day.

The day on the hill

Snow and navigation

Wind

Cloud and visibility

Rain and ground

Warmth and kit

Daylight

Forecast confidence

Full overnight outlook

Elevation reference (open ground)

Full climbing & scrambling outlook

2 rock types appear in the mapped samples

After dark: aurora and stargazing

A noticeable aurora display is unlikely; any glow may be faint or camera-only

Stargazing

Darkness of the surroundings

The day on the hill

Snow and navigation

Wind

Cloud and visibility

Rain and ground

Warmth and kit

Daylight

Forecast confidence

Full overnight outlook

Moon overnight

Elevation reference (open ground)

Full climbing & scrambling outlook

2 rock types appear in the mapped samples

After dark: aurora and stargazing

A noticeable aurora display is unlikely; any glow may be faint or camera-only

Stargazing

Darkness of the surroundings

The day on the hill

Snow and navigation

Wind

Cloud and visibility

Rain and ground

Warmth and kit

Daylight

Forecast confidence

Full overnight outlook

Moon overnight

Elevation reference (open ground)

Full climbing & scrambling outlook

2 rock types appear in the mapped samples

After dark: aurora and stargazing

A noticeable aurora display is unlikely; any glow may be faint or camera-only

Stargazing

Darkness of the surroundings

The day on the hill

Snow and navigation

Wind

Cloud and visibility

Rain and ground

Warmth and kit

Daylight

Forecast confidence

Full overnight outlook

Moon overnight

Elevation reference (open ground)

Full climbing & scrambling outlook

2 rock types appear in the mapped samples

After dark: aurora and stargazing

Stargazing

Darkness of the surroundings

The day on the hill

Snow and navigation

Wind

Cloud and visibility

Rain and ground

Warmth and kit

Daylight

Forecast confidence

Full overnight outlook

Moon overnight

Elevation reference (open ground)

Full climbing & scrambling outlook