Select a day to replace the detailed forecast below. 8 forecast days are available here.
Confidence: Medium
Overall hill weather38/100Poor
Wind25-40 mph westerlyGusts45-55 mphFeels like-8 to -4°CPrecipitationLittle or noneCloud-free summit estimate35%Cloud base through day500-1,800 mFreezing levelAbove summitDaylightSunrise 06:57 · Sunset 19:22 · 12.4 hours daylight
The day on the hill
Strong gusts and frequent summit cloud on Ben Lawers: summit wind broadly 25-40 mph, with gusts 45-55 mph at times (strong winds).
Wind & exposure
Much calmer lower down - generally 15-25 mph in the valley, rising towards the tops. Gusts may knock you off balance on exposed ground, even between spells of lighter wind.
Cloud & views
Cloud base around 500–800 m in the morning, then around 1500–1800 m around midday and 1000–1300 m by late afternoon. The top is likely to drift in and out of cloud, with the best chance of a view from midday into the afternoon.
Cloud-height uncertainty could put the summit in or out of cloud. Clear spells may be difficult to time.
Cloud may hang lower on western slopes and lift somewhat on the eastern side, but local terrain can differ. Sunny spells are possible away from summit cloud, but may not reach the top while it is in cloud.
Rain & temperature
The ground is likely to be wet after recent rain. Little or no rain is forecast.
Cold on exposed tops: air temperature broadly 0 to 4°C, feeling around -8 to -4°C in the wind.
Forecast confidence
Cloud height remains uncertain, especially where it is close to summit level. Keep windproof and warm layers readily available.
Cloud-height uncertainty could put the summit in or out of cloud, even where forecasts agree on the wider cloud cover.
Cloud-free timing: Around 0% early, improving to around 45% later.
Sunshine context Model-grid estimate, not summit sunshine
The surrounding model grid indicates 5.4 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.
Morning · 08:00–12:00
PoorSummit winds around 25-35 mph. Gusts around 45-55 mph are possible on exposed ground. Gusts may knock you off balance on exposed ground, even between spells of lighter wind.
26/100
Afternoon · 12:00–17:00
PoorSummit winds around 20-35 mph. Gusts around 40-50 mph are possible on exposed ground. Gusts may knock you off balance on exposed ground, even between spells of lighter wind. Summit cloud becomes more persistent later.
49/100
Compare an early start with later conditions. The main forecast above covers the day in more detail.
Overnight · 17:00–08:00Wild campingBetaGusts near 35 mph make meaningful shelter important.59/100Mixed · 600 mView detailsHide details
Night beginning Sunday 20 September 2026
Full overnight outlook
Open-hillside camping looks mixed overall around 600 m (59/100). A lower pitch near 300 m looks more comfortable. Conditions are less suitable by 900 m. Open-ground gusts may reach about 35 mph. Seek meaningful shelter. Peak gusts range from about 25 mph at 300 m to 35 mph at 900 m. A little rain may coincide with pitching or packing up. Pitches near 900 m may spend part of the night in cloud, bringing damp conditions and poor visibility while cloud is present. The coldest temperature falls from about 6.7°C at 300 m to 5.2°C at 900 m.
Extensive cloud may limit moonlight. Illumination describes the sunlit part of the Moon, not brightness at your pitch.
Overnight window: 20 Sep, 17:00 BST to 21 Sep, 08:00 BST. Approximate open-horizon times; hills can hide the Moon. Still take a headtorch.
Elevation reference (open ground)
300 m80/100 · promising
Wind / gust
14 mph / 26 mph
Typical / low
7.4°C / 6.7°C · much of the night
In cloud
0% of modelled night
Condensation
Moderate
600 m59/100 · mixed
Wind / gust
17 mph / 31 mph
Typical / low
7.4°C / 6.7°C · much of the night
In cloud
0% of modelled night
Condensation
Moderate
900 m39/100 · poor
Wind / gust
20 mph / 35 mph
Typical / low
5.6°C / 5.2°C · much of the night
In cloud
53% of modelled night
Condensation
Moderate
Warmth planning: As a broad starting point, consider a 3-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.
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Daytime · exposed rockClimbing & scramblingBetaRock may be damp or still drying. Gusts near 50 mph may affect balance on exposed rock.Poor1/100View detailsHide details
Generic exposed-rock guidance
Full climbing & scrambling outlook
Conditions for exposed scrambling look very poor (1/100). Recent rain may leave seepage and damp rock, especially on shaded sections. The mapped summit rock is Calcareous pelite (Ben Lawers Schist Formation). Dry quartz-rich bands can be grippy, while mica-rich or foliated sections, lichen and vegetation may become slippery when wet. Gusts may reach about 50 mph. Crosswinds can make exposed ridges substantially more serious. Cloud may also make route-finding and retreat harder.
Rock surfaceDry overhead; seepage uncertainPeak gust49 mphRain0.0 mm
Main factorsgusts around 50 mphdamp or incompletely dried rock possiblemuch of the route may be in cloud
Mapped rock across the summit and available routes
Calcareous peliteBen Lawers Schist Formation
Dry quartz-rich bands can be grippy, while mica-rich or foliated sections, lichen and vegetation may become slippery when wet. Summit-point mapping plus representative BGS bedrock samples along available GPX routes. These are not continuous geological surveys; contacts, superficial deposits and the exposed rock on individual holds may differ.
Rock groups along the sampled routes
These are mapped rock groups, not separate weather forecasts or a ranking of route safety.
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 darkBetaNight-sky guidance is unavailable for this night.View forecastClose forecast
After dark: aurora and stargazing
Night-sky guidance is unavailable for this night. This does not mean clear skies or no aurora.
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 Ben Lawers on Sunday 20 September 2026. It asks about intentions, not whether you actually went out. No name or account is needed.
Wind20-35 mph westerlyGusts35-45 mphFeels like-2 to 2°CPrecipitationUp to around 2 mmCloud-free summit estimate5%Cloud base through day600-900 mFreezing levelAbove summitDaylightSunrise 06:59 · Sunset 19:19 · 12.3 hours daylight
The day on the hill
Frequent summit cloud on Ben Lawers: summit wind broadly 20-35 mph, with gusts 35-45 mph at times (strong winds).
Wind & exposure
Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops.
Cloud & views
Cloud base mostly around 600–900 m through daylight. Cloud is likely to cover the top for most or all of daylight, with no dependable break.
Cloud may hang lower on western slopes and lift somewhat on the eastern side, but local terrain can differ. Very little direct sunshine is likely, with extensive cloud.
Drizzle is forecast for much of the day. The forecast total is up to around 2 mm, but local amounts will vary.
Cold on exposed tops: air temperature broadly 4 to 8°C, feeling around -2 to 2°C in the wind. Forecast models differ on summit wind strength: around 19-40 mph at walker height, with gusts 27-57 mph.
A windproof layer will help, with an extra warm layer for stops. If clothing gets wet, you can cool more quickly.
Keep a dry warm layer protected. Buffeting may affect balance on exposed ground, particularly near ridges and edges.
Forecast confidence
Summit wind could be roughly 19-40 mph, which changes how difficult exposed walking may feel.
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.
Morning · 08:00–12:00
PoorSummit winds around 25-35 mph. Gusts around 35-45 mph are possible on exposed ground. Buffeting may affect balance on exposed ground, particularly near ridges and edges. Rain is forecast during this period.
25/100
Afternoon · 12:00–17:00
PoorSummit winds around 20-30 mph. Gusts around 30-40 mph are possible on exposed ground. Buffeting may affect balance on exposed ground, particularly near ridges and edges. Rain is forecast during this period.
28/100
Compare an early start with later conditions. The main forecast above covers the day in more detail.
Overnight · 17:00–08:00Wild campingBetaExposed camping is not recommended near 600 and 900 m: gusts may reach about 50 mph. Sustained winds may reach about 35 mph at times. Choose an alternative off the exposed hill. Do not rely on finding shelter after setting out.19/100Poor · 600 mView detailsHide details
Night beginning Monday 21 September 2026
Full overnight outlook
Exposed camping is not recommended near 600 and 900 m: gusts may reach about 50 mph. Sustained winds may reach about 35 mph at times. Choose an alternative off the exposed hill. Do not rely on finding shelter after setting out. Open-hillside camping looks very poor overall around 600 m (19/100). Peak gusts range from about 35 mph at 300 m to 50 mph at 900 m. A little rain may coincide with pitching or packing up. Pitches near 900 m may spend part of the night in cloud, bringing damp conditions and poor visibility while cloud is present. Condensation risk is high near 300, 600 and 900 m. Ventilation will matter. The coldest temperature falls from about 10.7°C at 300 m to 9°C at 900 m.
Extensive cloud may limit moonlight. Illumination describes the sunlit part of the Moon, not brightness at your pitch.
Overnight window: 21 Sep, 17:00 BST to 22 Sep, 08:00 BST. Approximate open-horizon times; hills can hide the Moon. Still take a headtorch.
Elevation reference (open ground)
300 m39/100 · poor
Wind / gust
20 mph / 35 mph
Typical / low
11.9°C / 10.7°C
In cloud
0% of modelled night
Condensation
High
600 m19/100 · very poor
Wind / gust
24 mph / 42 mph
Typical / low
11.9°C / 10.7°C
In cloud
0% of modelled night
Condensation
High
900 m9/100 · very poor
Wind / gust
28 mph / 50 mph
Typical / low
10.0°C / 9.0°C · several hours
In cloud
100% of modelled night
Condensation
High
Warmth planning: As a broad starting point, consider a 2-season bag with an ISO/EN comfort rating at or below about 8°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.
Did this match your night?Share a quick observation to help improve this beta forecast.Give feedback →
Daytime · exposed rockClimbing & scramblingBetaWet rock is likely. Gusts near 40 mph may affect balance on exposed rock.Poor0/100View detailsHide details
Generic exposed-rock guidance
Full climbing & scrambling outlook
Conditions for exposed scrambling look very poor (0/100). Rain during the climbing period is likely to leave rock wet and more slippery. The mapped summit rock is Calcareous pelite (Ben Lawers Schist Formation). Dry quartz-rich bands can be grippy, while mica-rich or foliated sections, lichen and vegetation may become slippery when wet. Gusts may reach about 40 mph. Crosswinds can make exposed ridges substantially more serious. Cloud may also make route-finding and retreat harder.
Rock surfaceWet rock likelyPeak gust40 mphRain1.0 mm
Main factorsgusts around 40 mphwet rock likelymuch of the route may be in cloud
Mapped rock across the summit and available routes
Calcareous peliteBen Lawers Schist Formation
Dry quartz-rich bands can be grippy, while mica-rich or foliated sections, lichen and vegetation may become slippery when wet. Summit-point mapping plus representative BGS bedrock samples along available GPX routes. These are not continuous geological surveys; contacts, superficial deposits and the exposed rock on individual holds may differ.
Rock groups along the sampled routes
These are mapped rock groups, not separate weather forecasts or a ranking of route safety.
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 darkBetaNight-sky guidance is unavailable for this night.View forecastClose forecast
After dark: aurora and stargazing
Night-sky guidance is unavailable for this night. This does not mean clear skies or no aurora.
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 Ben Lawers on Monday 21 September 2026. It asks about intentions, not whether you actually went out. No name or account is needed.
Wind15-30 mph southwesterlyGusts30-40 mphFeels like0 to 4°CPrecipitationUp to around 2 mmCloud-free summit estimate15%Cloud base through day600-1,300 mFreezing levelAbove summitDaylightSunrise 07:01 · Sunset 19:17 · 12.3 hours daylight
The day on the hill
Frequent summit cloud on Ben Lawers: summit wind broadly 15-30 mph, with gusts 30-40 mph at times (strong winds). Hill cloud may make navigation difficult, with very poor visibility in wetter spells.
Wind & exposure
Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops.
Cloud & views
Cloud base around 600–900 m through the morning, lifting to 1000–1300 m by late afternoon. Summit cloud is likely, but brief clear spells remain possible if the cloud sits higher than expected.
Cloud-height uncertainty could put the summit in or out of cloud. Clear spells may be difficult to time.
Cloud may hang lower on southwestern slopes and lift somewhat on the northeastern side, but local terrain can differ. Very little direct sunshine is likely, with extensive cloud.
Drizzle is forecast at times. The forecast total is up to around 2 mm, but local amounts will vary.
Cold on exposed tops: air temperature broadly 4 to 8°C, feeling around 0 to 4°C in the wind. Forecast models differ on summit wind strength: around 19-33 mph at walker height, with gusts 27-46 mph.
Forecast confidence
Cloud height remains uncertain, especially where it is close to summit level. A windproof layer will help, with an extra warm layer for stops.
If clothing gets wet, you can cool more quickly. Keep a dry warm layer protected.
Buffeting may affect balance on exposed ground, particularly near ridges and edges. Forecast models differ on whether meaningful rain reaches the hills during the afternoon and evening.
Cloud-free timing: Around 5% early, improving to around 45% later.
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.
Morning · 08:00–12:00
PoorSummit winds around 20-30 mph. Gusts around 30-40 mph are possible on exposed ground. Buffeting may affect balance on exposed ground, particularly near ridges and edges. Rain is forecast during this period.
31/100
Afternoon · 12:00–17:00
PoorSummit winds around 20-30 mph. Gusts around 30-40 mph are possible on exposed ground. Buffeting may affect balance on exposed ground, particularly near ridges and edges. Rain is forecast during this period. Rain is possible during the afternoon, but forecast models disagree on whether it will fall.
28/100
Compare an early start with later conditions. The main forecast above covers the day in more detail.
Overnight · 17:00–08:00Wild campingBetaConditions look very good, but forecast uncertainty caps the grade at 88/100.88/100Excellent · 600 mView detailsHide details
Night beginning Tuesday 22 September 2026
Full overnight outlook
Open-hillside camping looks very good overall around 600 m (88/100). It may be breezy on open ground, with gusts near 25 mph. Peak gusts range from about 20 mph at 300 m to 25 mph at 900 m. Little overnight rain is forecast. The coldest temperature falls from about 8°C at 300 m to 6.2°C at 900 m. Forecast models are not closely enough agreed for an exceptional grade. The grade is capped at 88/100.
Extensive cloud may limit moonlight. Illumination describes the sunlit part of the Moon, not brightness at your pitch.
Overnight window: 22 Sep, 17:00 BST to 23 Sep, 08:00 BST. Approximate open-horizon times; hills can hide the Moon. Still take a headtorch.
Elevation reference (open ground)
300 m88/100 · very good
Wind / gust
9 mph / 19 mph
Typical / low
9.0°C / 8.0°C · much of the night
In cloud
0% of modelled night
Condensation
Low
600 m88/100 · very good
Wind / gust
11 mph / 23 mph
Typical / low
9.0°C / 8.0°C · much of the night
In cloud
0% of modelled night
Condensation
Low
900 m86/100 · promising
Wind / gust
12 mph / 27 mph
Typical / low
7.1°C / 6.2°C · much of the night
In cloud
7% of modelled night
Condensation
Low
Warmth planning: As a broad starting point, consider a 3-season bag with an ISO/EN comfort rating at or below about 6°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.
Did this match your night?Share a quick observation to help improve this beta forecast.Give feedback →
Daytime · exposed rockClimbing & scramblingBetaWet rock is likely. Gusts near 35 mph may affect balance on exposed rock.Poor0/100View detailsHide details
Generic exposed-rock guidance
Full climbing & scrambling outlook
Conditions for exposed scrambling look very poor (0/100). Rain during the climbing period is likely to leave rock wet and more slippery. The mapped summit rock is Calcareous pelite (Ben Lawers Schist Formation). Dry quartz-rich bands can be grippy, while mica-rich or foliated sections, lichen and vegetation may become slippery when wet. Gusts may reach about 35 mph. Crosswinds can make exposed ridges substantially more serious. Cloud may also make route-finding and retreat harder.
Rock surfaceWet rock likelyPeak gust36 mphRain1.3 mm
Main factorsgusts around 35 mphwet rock likelymuch of the route may be in cloud
Mapped rock across the summit and available routes
Calcareous peliteBen Lawers Schist Formation
Dry quartz-rich bands can be grippy, while mica-rich or foliated sections, lichen and vegetation may become slippery when wet. Summit-point mapping plus representative BGS bedrock samples along available GPX routes. These are not continuous geological surveys; contacts, superficial deposits and the exposed rock on individual holds may differ.
Rock groups along the sampled routes
These are mapped rock groups, not separate weather forecasts or a ranking of route safety.
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 darkBetaNight-sky guidance is unavailable for this night.View forecastClose forecast
After dark: aurora and stargazing
Night-sky guidance is unavailable for this night. This does not mean clear skies or no aurora.
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 Ben Lawers on Tuesday 22 September 2026. It asks about intentions, not whether you actually went out. No name or account is needed.
Wind5-25 mph northwesterlyGusts20-30 mphFeels like-2 to 2°CPrecipitationLittle or noneCloud-free summit estimate70%Cloud base through day1,000-2,300 mFreezing levelAbove summitDaylightSunrise 07:03 · Sunset 19:14 · 12.2 hours daylight
The day on the hill
On Ben Lawers: summit wind broadly 5-25 mph, with gusts 20-30 mph at times (a moderate breeze).
Cloud & views
Cloud base around 1300–1600 m in the morning, then around 2000–2300 m around midday and 1000–1300 m by late afternoon. The top is likely to drift in and out of cloud, with the best chance of a view from early morning into the afternoon.
Cloud-height uncertainty could put the summit in or out of cloud. Clear spells may be difficult to time.
Sunny spells are possible away from summit cloud, but may not reach the top while it is in cloud.
Rain & temperature
Little or no rain is forecast. Cold on exposed tops: air temperature broadly 2 to 6°C, feeling around -2 to 2°C in the wind.
Forecast confidence
Cloud height remains uncertain, especially where it is close to summit level. Keep windproof and warm layers readily available.
Cloud-height uncertainty could put the summit in or out of cloud, even where forecasts agree on the wider cloud cover.
Cloud-free timing: Around 65% early, falling to around 50% later.
Sunshine context Model-grid estimate, not summit sunshine
The surrounding model grid indicates 4.4 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.
Morning · 08:00–12:00
ExcellentSummit winds around 0-10 mph. Gusts around 5-15 mph are possible on exposed ground.
92/100
Afternoon · 12:00–17:00
GoodSummit winds around 5-15 mph in the early afternoon, strengthening to 10-20 mph later. Gusts around 20-30 mph are possible on exposed ground. Summit cloud becomes more persistent later.
81/100
Compare an early start with later conditions. The main forecast above covers the day in more detail.
Overnight · 17:00–08:00Wild campingBetaLower pitches look more comfortable than exposed ground near 900 m.88/100Excellent · 600 mView detailsHide details
Night beginning Wednesday 23 September 2026
Full overnight outlook
Open-hillside camping looks very good overall around 600 m (88/100). A lower pitch near 300 m looks more comfortable. Conditions are less suitable by 900 m. It may be breezy on open ground, with gusts near 25 mph. Peak gusts range from about 20 mph at 300 m to 25 mph at 900 m. Wind direction may change substantially during the night. Shelter that works at dusk may be less effective later. Little overnight rain is forecast. The coldest temperature falls from about 6.4°C at 300 m to 4.7°C at 900 m.
Views of the Moon may come and go through cloud breaks. Illumination describes the sunlit part of the Moon, not brightness at your pitch.
Overnight window: 23 Sep, 17:00 BST to 24 Sep, 08:00 BST. Approximate open-horizon times; hills can hide the Moon. Still take a headtorch.
Elevation reference (open ground)
300 m88/100 · very good
Wind / gust
8 mph / 19 mph
Typical / low
6.7°C / 6.4°C · much of the night
In cloud
0% of modelled night
Condensation
Low
600 m88/100 · very good
Wind / gust
10 mph / 23 mph
Typical / low
6.7°C / 6.4°C · much of the night
In cloud
0% of modelled night
Condensation
Low
900 m75/100 · promising
Wind / gust
12 mph / 27 mph
Typical / low
5.2°C / 4.7°C · several hours
In cloud
0% of modelled night
Condensation
Low
Warmth planning: As a broad starting point, consider a 3-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.
Did this match your night?Share a quick observation to help improve this beta forecast.Give feedback →
Daytime · exposed rockClimbing & scramblingBetaPatchy rain could leave exposed holds damp or slippery.Good73/100View detailsHide details
Generic exposed-rock guidance
Full climbing & scrambling outlook
Conditions for exposed scrambling look fair (73/100). Likely to stay mostly dry, but patchy rain remains possible and could leave exposed rock damp or slippery. The mapped summit rock is Calcareous pelite (Ben Lawers Schist Formation). Dry quartz-rich bands can be grippy, while mica-rich or foliated sections, lichen and vegetation may become slippery when wet.
Rock surfaceDry initially; rain possiblePeak gust26 mphRainPossible · 50%
Main concernrain possible despite mostly dry conditions being favoured
Mapped rock across the summit and available routes
Calcareous peliteBen Lawers Schist Formation
Dry quartz-rich bands can be grippy, while mica-rich or foliated sections, lichen and vegetation may become slippery when wet. Summit-point mapping plus representative BGS bedrock samples along available GPX routes. These are not continuous geological surveys; contacts, superficial deposits and the exposed rock on individual holds may differ.
Rock groups along the sampled routes
These are mapped rock groups, not separate weather forecasts or a ranking of route safety.
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 darkBetaNight-sky guidance is unavailable for this night.View forecastClose forecast
After dark: aurora and stargazing
Night-sky guidance is unavailable for this night. This does not mean clear skies or no aurora.
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 Ben Lawers on Wednesday 23 September 2026. It asks about intentions, not whether you actually went out. No name or account is needed.
Wind30-50 mph southwesterlyGusts55-65 mphFeels like-10 to -6°CPrecipitationUp to around 2 mmCloud-free summit estimate70%Cloud base through day1,000-1,700 mFreezing level1,000-1,300 mDaylightSunrise 07:05 · Sunset 19:11 · 12.1 hours daylight
The day on the hill
Strong gusts on Ben Lawers: summit wind broadly 30-50 mph, with gusts 55-65 mph at times (gale-force mean winds at times).
Wind & exposure
Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Summit wind strength is uncertain: around 23-63 mph at walker height, with gusts 32-88 mph.
Check again nearer the time.
Cloud & views
Cloud base around 1300–1600 m in the morning, then around 1000–1300 m around midday and 1400–1700 m by late afternoon. The top is likely to drift in and out of cloud, with the best chance of a view during the morning.
Cloud-height uncertainty could put the summit in or out of cloud. Clear spells may be difficult to time.
Cloud may hang lower on southwestern slopes and lift somewhat on the northeastern side, but local terrain can differ. Sunny spells are possible away from summit cloud, but may not reach the top while it is in cloud.
Drizzle is forecast at times. The forecast total is up to around 2 mm, but local amounts will vary.
Cold on exposed tops: air temperature broadly -2 to 2°C, feeling around -10 to -6°C in the wind.
Forecast confidence
Cloud height remains uncertain, especially where it is close to summit level. Keep windproof and warm layers readily available.
If clothing gets wet, you can cool more quickly. Keep a dry warm layer protected.
The strongest gusts could knock you over on exposed ground. Avoid exposed ridges and edges.
Summit wind could be roughly 23-63 mph, which changes how difficult exposed walking may feel.
Cloud-free timing: Around 85% early, falling to around 50% later.
Sunshine context Model-grid estimate, not summit sunshine
The surrounding model grid indicates 2.5 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.
Morning · 08:00–12:00
MixedSummit winds around 20-35 mph. Gusts around 40-50 mph are possible on exposed ground. Buffeting may affect balance on exposed ground, particularly near ridges and edges. Rain is possible during the morning, but forecast models disagree on whether it will fall.
51/100
Afternoon · 12:00–17:00
PoorWinds strengthen compared with the morning. Summit winds around 30-45 mph. Gusts around 55-65 mph are possible on exposed ground. Walking into the wind is likely to be arduous, with buffeting that can knock you off balance. Summit cloud is more persistent early in this period, with better prospects later. Rain is forecast during this period. Rain is possible during the afternoon, but forecast models disagree on whether it will fall.
14/100
Compare an early start with later conditions. The main forecast above covers the day in more detail.
Overnight · 17:00–08:00Wild campingBetaExposed camping is not recommended near 300, 600 and 900 m: gusts may reach about 65 mph. Sustained winds may reach about 45 mph at times. Choose an alternative off the exposed hill. Do not rely on finding shelter after setting out.9/100Poor · 600 mView detailsHide details
Night beginning Thursday 24 September 2026
Full overnight outlook
Exposed camping is not recommended near 300, 600 and 900 m: gusts may reach about 65 mph. Sustained winds may reach about 45 mph at times. Choose an alternative off the exposed hill. Do not rely on finding shelter after setting out. Open-hillside camping looks very poor overall around 600 m (9/100). Peak gusts range from about 45 mph at 300 m to 65 mph at 900 m. Roughly 9.4 mm is forecast overnight, including rain around pitching time. Pitches near 600 and 900 m may spend part of the night in cloud, bringing damp conditions and poor visibility while cloud is present. Condensation risk is high near 600 and 900 m. Ventilation will matter. The coldest temperature falls from about 8.2°C at 300 m to 5.1°C at 900 m.
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: 24 Sep, 17:00 BST to 25 Sep, 08:00 BST. Approximate open-horizon times; hills can hide the Moon. Still take a headtorch.
Elevation reference (open ground)
300 m19/100 · very poor
Wind / gust
28 mph / 46 mph
Typical / low
10.3°C / 8.2°C · several hours
In cloud
0% of modelled night
Condensation
Moderate
600 m9/100 · very poor
Wind / gust
34 mph / 56 mph
Typical / low
10.0°C / 7.6°C · several hours
In cloud
60% of modelled night
Condensation
High
900 m0/100 · very poor
Wind / gust
40 mph / 66 mph
Typical / low
7.8°C / 5.1°C · much of the night
In cloud
73% 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 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.
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Daytime · exposed rockClimbing & scramblingBetaSub-zero temperatures and moisture may leave icy patches on exposed rock. Wet rock is likely. Gusts near 60 mph may affect balance on exposed rock.Poor0/100View detailsHide details
Generic exposed-rock guidance
Full climbing & scrambling outlook
Conditions for exposed scrambling look very poor (0/100). Rain during the climbing period is likely to leave rock wet and more slippery. The mapped summit rock is Calcareous pelite (Ben Lawers Schist Formation). Dry quartz-rich bands can be grippy, while mica-rich or foliated sections, lichen and vegetation may become slippery when wet. Gusts may reach about 60 mph. Crosswinds can make exposed ridges substantially more serious. Sub-zero temperatures and moisture may leave icy patches on exposed rock. Treat the route as a winter mountaineering proposition if deposits are present.
Rock surfaceWet rock likelyPeak gust60 mphRain0.6 mm
Main factorsgusts around 60 mphwet rock likelySub-zero temperatures and moisture may leave icy patches on exposed rock
Mapped rock across the summit and available routes
Calcareous peliteBen Lawers Schist Formation
Dry quartz-rich bands can be grippy, while mica-rich or foliated sections, lichen and vegetation may become slippery when wet. Summit-point mapping plus representative BGS bedrock samples along available GPX routes. These are not continuous geological surveys; contacts, superficial deposits and the exposed rock on individual holds may differ.
Rock groups along the sampled routes
These are mapped rock groups, not separate weather forecasts or a ranking of route safety.
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 darkBetaNight-sky guidance is unavailable for this night.View forecastClose forecast
After dark: aurora and stargazing
Night-sky guidance is unavailable for this night. This does not mean clear skies or no aurora.
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 Ben Lawers on Thursday 24 September 2026. It asks about intentions, not whether you actually went out. No name or account is needed.
Wind25-35 mph westerlyGusts40-50 mphFeels like-4 to 0°CPrecipitationLittle or noneCloud-free summit estimate45%Cloud base through day1,000-1,700 mFreezing levelAbove summitDaylightSunrise 07:07 · Sunset 19:08 · 12.0 hours daylight
The day on the hill
On Ben Lawers: summit wind broadly 25-35 mph, with gusts 40-50 mph at times (strong winds).
Wind & exposure
Much calmer lower down - generally 10-20 mph in the valley, rising towards the tops.
Cloud & views
Cloud base around 1400–1700 m in the morning, then around 1000–1300 m around midday and 1400–1700 m by late afternoon. The top is likely to drift in and out of cloud, with the best chance of a view from late afternoon into the evening.
Cloud-height uncertainty could put the summit in or out of cloud. Clear spells may be difficult to time.
Cloud may hang lower on western slopes and lift somewhat on the eastern side, but local terrain can differ. Sunny spells are possible away from summit cloud, but may not reach the top while it is in cloud.
Rain & temperature
Little or no rain is forecast. Cold on exposed tops: air temperature broadly 2 to 6°C, feeling around -4 to 0°C in the wind.
Forecast models differ on summit wind strength: around 17-36 mph at walker height, with gusts 24-51 mph.
Forecast confidence
Cloud height remains uncertain, especially where it is close to summit level. Keep windproof and warm layers readily available.
Buffeting may affect balance on exposed ground, particularly near ridges and edges. Summit wind could be roughly 17-36 mph, which changes how difficult exposed walking may feel.
Cloud-free timing: Around 45% early, improving to around 75% later.
Sunshine context Model-grid estimate, not summit sunshine
The surrounding model grid indicates 11 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.
Morning · 08:00–12:00
PoorSummit winds around 25-35 mph. Gusts around 40-50 mph are possible on exposed ground. Buffeting may affect balance on exposed ground, particularly near ridges and edges. Summit cloud becomes more persistent later.
31/100
Afternoon · 12:00–17:00
PoorSummit winds around 20-30 mph. Gusts around 35-45 mph are possible on exposed ground. Buffeting may affect balance on exposed ground, particularly near ridges and edges. Summit cloud is more persistent early in this period, with better prospects later.
41/100
Compare an early start with later conditions. The main forecast above covers the day in more detail.
Overnight · 17:00–08:00Wild campingBetaGusts near 40 mph make meaningful shelter important.54/100Mixed · 600 mView detailsHide details
Night beginning Friday 25 September 2026
Full overnight outlook
Open-hillside camping looks mixed overall around 600 m (54/100). A lower pitch near 300 m looks more comfortable. Conditions are less suitable by 900 m. Open-ground gusts may reach about 40 mph. Seek meaningful shelter. Peak gusts range from about 30 mph at 300 m to 40 mph at 900 m. Little overnight rain is forecast. Pitches near 600 and 900 m may spend part of the night in cloud, bringing damp conditions and poor visibility while cloud is present. Condensation risk is high near 900 m. Ventilation will matter. The coldest temperature falls from about 7.2°C at 300 m to 5.1°C at 900 m.
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: 25 Sep, 17:00 BST to 26 Sep, 08:00 BST. Approximate open-horizon times; hills can hide the Moon. Still take a headtorch.
Elevation reference (open ground)
300 m59/100 · mixed
Wind / gust
17 mph / 28 mph
Typical / low
7.4°C / 7.2°C · much of the night
In cloud
0% of modelled night
Condensation
Moderate
600 m54/100 · mixed
Wind / gust
20 mph / 34 mph
Typical / low
7.3°C / 7.1°C · much of the night
In cloud
53% of modelled night
Condensation
Moderate
900 m39/100 · poor
Wind / gust
24 mph / 40 mph
Typical / low
5.2°C / 5.1°C · much of the night
In cloud
80% 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 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.
Did this match your night?Share a quick observation to help improve this beta forecast.Give feedback →
Daytime · exposed rockClimbing & scramblingBetaRock may be damp or still drying. Gusts near 45 mph may affect balance on exposed rock.Poor10/100View detailsHide details
Generic exposed-rock guidance
Full climbing & scrambling outlook
Conditions for exposed scrambling look very poor (10/100). Some rock may still be damp or drying, especially on polished slabs and vegetated sections. The mapped summit rock is Calcareous pelite (Ben Lawers Schist Formation). Dry quartz-rich bands can be grippy, while mica-rich or foliated sections, lichen and vegetation may become slippery when wet. Gusts may reach about 45 mph. Crosswinds can make exposed ridges substantially more serious. Cloud may also make route-finding and retreat harder.
Rock surfaceDamp or dryingPeak gust43 mphRainPossible · 58%
Main factorsgusts around 45 mphdamp or incompletely dried rock possiblemuch of the route may be in cloud
Mapped rock across the summit and available routes
Calcareous peliteBen Lawers Schist Formation
Dry quartz-rich bands can be grippy, while mica-rich or foliated sections, lichen and vegetation may become slippery when wet. Summit-point mapping plus representative BGS bedrock samples along available GPX routes. These are not continuous geological surveys; contacts, superficial deposits and the exposed rock on individual holds may differ.
Rock groups along the sampled routes
These are mapped rock groups, not separate weather forecasts or a ranking of route safety.
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 darkBetaNight-sky guidance is unavailable for this night.View forecastClose forecast
After dark: aurora and stargazing
Night-sky guidance is unavailable for this night. This does not mean clear skies or no aurora.
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 Ben Lawers on Friday 25 September 2026. It asks about intentions, not whether you actually went out. No name or account is needed.
Wind20-30 mph southwesterlyGusts30-40 mphFeels like-8 to -4°CPrecipitationLittle or noneCloud-free summit estimate30%Cloud base through day500-2,200 mFreezing level1,000-1,300 mDaylightSunrise 07:09 · Sunset 19:06 · 11.9 hours daylight
The day on the hill
Frequent summit cloud on Ben Lawers: summit wind broadly 20-30 mph, with gusts 30-40 mph at times (a fresh breeze).
Wind & exposure
Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops.
Cloud & views
Cloud base around 500–800 m in the morning, lifting to 700–1000 m around midday and 1900–2200 m by late afternoon. The top is likely to drift in and out of cloud, with the best chance of a view from late afternoon into the evening.
Cloud may hang lower on southwestern slopes and lift somewhat on the northeastern side, but local terrain can differ. Sunny spells are possible away from summit cloud, but may not reach the top while it is in cloud.
Rain & temperature
Little or no rain is forecast. Cold on exposed tops: air temperature broadly -2 to 2°C, feeling around -8 to -4°C in the wind.
Forecast models disagree markedly on summit wind strength. Check again nearer the time.
Keep windproof and warm layers readily available.
Forecast confidence
Overall confidence is unavailable: insufficient comparable wind, rain guidance.
Cloud-free timing: Around 0% early, improving to around 80% later.
Sunshine context Model-grid estimate, not summit sunshine
The surrounding model grid indicates 11 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.
Morning · 08:00–12:00
PoorSummit winds around 20-30 mph. Gusts around 30-40 mph are possible on exposed ground.
38/100
Afternoon · 12:00–17:00
PoorSummit winds around 20-30 mph. Gusts around 30-40 mph are possible on exposed ground.
36/100
Compare an early start with later conditions. The main forecast above covers the day in more detail.
Overnight · 17:00–08:00Wild campingBetaExposed camping is not recommended near 300, 600 and 900 m: gusts may reach about 60 mph. Sustained winds may reach about 40 mph at times. Choose an alternative off the exposed hill. Do not rely on finding shelter after setting out.9/100Poor · 600 mView detailsHide details
Night beginning Saturday 26 September 2026
Full overnight outlook
Exposed camping is not recommended near 300, 600 and 900 m: gusts may reach about 60 mph. Sustained winds may reach about 40 mph at times. Choose an alternative off the exposed hill. Do not rely on finding shelter after setting out. Open-hillside camping looks very poor overall around 600 m (9/100). Peak gusts range from about 40 mph at 300 m to 60 mph at 900 m. Roughly 8.3 mm is forecast overnight, including rain around pack-up. Pitches near 900 m may spend part of the night in cloud, bringing damp conditions and poor visibility while cloud is present. Condensation risk is high near 600 and 900 m. Ventilation will matter. The coldest temperature falls from about 8.2°C at 300 m to 5.8°C at 900 m.
Extensive cloud may limit moonlight. Illumination describes the sunlit part of the Moon, not brightness at your pitch.
Overnight window: 26 Sep, 17:00 BST to 27 Sep, 08:00 BST. Approximate open-horizon times; hills can hide the Moon. Still take a headtorch.
Elevation reference (open ground)
300 m19/100 · very poor
Wind / gust
23 mph / 42 mph
Typical / low
8.5°C / 8.2°C · much of the night
In cloud
0% of modelled night
Condensation
Moderate
600 m9/100 · very poor
Wind / gust
28 mph / 50 mph
Typical / low
8.5°C / 8.0°C · much of the night
In cloud
0% of modelled night
Condensation
High
900 m9/100 · very poor
Wind / gust
33 mph / 59 mph
Typical / low
6.5°C / 5.8°C · much of the night
In cloud
60% 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 6°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.
Did this match your night?Share a quick observation to help improve this beta forecast.Give feedback →
Daytime · exposed rockClimbing & scramblingBetaRock may be damp or still drying. Gusts near 35 mph may affect balance on exposed rock.Poor41/100View detailsHide details
Generic exposed-rock guidance
Full climbing & scrambling outlook
Conditions for exposed scrambling look mixed (41/100). Some rock may still be damp or drying, especially on polished slabs and vegetated sections. The mapped summit rock is Calcareous pelite (Ben Lawers Schist Formation). Dry quartz-rich bands can be grippy, while mica-rich or foliated sections, lichen and vegetation may become slippery when wet. Gusts may reach about 35 mph. Crosswinds can make exposed ridges substantially more serious. Cloud may also make route-finding and retreat harder.
Rock surfaceDamp or dryingPeak gust34 mphRain0.0 mm
Main factorsgusts around 35 mphdamp or incompletely dried rock possiblemuch of the route may be in cloud
Mapped rock across the summit and available routes
Calcareous peliteBen Lawers Schist Formation
Dry quartz-rich bands can be grippy, while mica-rich or foliated sections, lichen and vegetation may become slippery when wet. Summit-point mapping plus representative BGS bedrock samples along available GPX routes. These are not continuous geological surveys; contacts, superficial deposits and the exposed rock on individual holds may differ.
Rock groups along the sampled routes
These are mapped rock groups, not separate weather forecasts or a ranking of route safety.
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 darkBetaNight-sky guidance is unavailable for this night.View forecastClose forecast
After dark: aurora and stargazing
Night-sky guidance is unavailable for this night. This does not mean clear skies or no aurora.
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 Ben Lawers on Saturday 26 September 2026. It asks about intentions, not whether you actually went out. No name or account is needed.
Wind25-35 mph southwesterlyGusts40-50 mphFeels like-4 to 0°CPrecipitationUp to around 2 mmCloud-free summit estimate50%Cloud base through day600-1,800 mFreezing levelAbove summitDaylightSunrise 07:11 · Sunset 19:03 · 11.9 hours daylight
The day on the hill
On Ben Lawers: summit wind broadly 25-35 mph, with gusts 40-50 mph at times (strong winds).
Wind & exposure
Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops.
Cloud & views
Cloud base around 600–900 m in the morning, lifting to 1500–1800 m around midday and 1400–1700 m by late afternoon. The top is likely to drift in and out of cloud, with the best chance of a view from around midday into the evening.
Cloud-height uncertainty could put the summit in or out of cloud. Clear spells may be difficult to time.
Sunny spells are possible away from summit cloud, but may not reach the top while it is in cloud. Drizzle is forecast for much of the day.
The forecast total is up to around 2 mm, but local amounts will vary. Cold on exposed tops: air temperature broadly 0 to 4°C, feeling around -4 to 0°C in the wind.
Forecast models differ on summit wind strength. Treat the wind figures as a guide.
Keep windproof and warm layers readily available. If clothing gets wet, you can cool more quickly.
Keep a dry warm layer protected. Buffeting may affect balance on exposed ground, particularly near ridges and edges.
Forecast confidence
Overall confidence is unavailable: insufficient comparable wind, rain guidance.
Cloud-free timing: Around 5% early, improving to around 80% later.
Sunshine context Model-grid estimate, not summit sunshine
The surrounding model grid indicates 10.9 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.
Morning · 08:00–12:00
PoorSummit winds around 25-35 mph. Gusts around 40-50 mph are possible on exposed ground. Buffeting may affect balance on exposed ground, particularly near ridges and edges. Rain is forecast during this period.
18/100
Afternoon · 12:00–17:00
PoorSummit winds around 25-35 mph. Gusts around 40-50 mph are possible on exposed ground. Buffeting may affect balance on exposed ground, particularly near ridges and edges. Summit cloud is more persistent early in this period, with better prospects later. Rain is forecast during this period.
46/100
Compare an early start with later conditions. The main forecast above covers the day in more detail.
Overnight · 17:00–08:00Wild campingBetaGusts near 35 mph make meaningful shelter important.59/100Mixed · 600 mView detailsHide details
Night beginning Sunday 27 September 2026
Full overnight outlook
Open-hillside camping looks mixed overall around 600 m (59/100). A lower pitch near 300 m looks more comfortable. Conditions are less suitable by 900 m. Open-ground gusts may reach about 35 mph. Seek meaningful shelter. Peak gusts range from about 25 mph at 300 m to 35 mph at 900 m. Around 1.4 mm is forecast, with rain liable to affect both pitching and packing up. Pitches near 900 m may spend part of the night in cloud, bringing damp conditions and poor visibility while cloud is present. Condensation risk is high near 300, 600 and 900 m. Ventilation will matter. The coldest temperature falls from about 6.3°C at 300 m to 4.8°C at 900 m.
Extensive cloud may limit moonlight. Illumination describes the sunlit part of the Moon, not brightness at your pitch.
Overnight window: 27 Sep, 17:00 BST to 28 Sep, 08:00 BST. Approximate open-horizon times; hills can hide the Moon. Still take a headtorch.
Elevation reference (open ground)
300 m64/100 · reasonable
Wind / gust
15 mph / 24 mph
Typical / low
6.9°C / 6.3°C · much of the night
In cloud
0% of modelled night
Condensation
High
600 m59/100 · mixed
Wind / gust
18 mph / 29 mph
Typical / low
6.9°C / 6.3°C · much of the night
In cloud
0% of modelled night
Condensation
High
900 m39/100 · poor
Wind / gust
21 mph / 34 mph
Typical / low
5.4°C / 4.8°C · a brief spell
In cloud
67% 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 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.
Did this match your night?Share a quick observation to help improve this beta forecast.Give feedback →
Daytime · exposed rockClimbing & scramblingBetaWet rock is likely. Gusts near 45 mph may affect balance on exposed rock.Poor6/100View detailsHide details
Generic exposed-rock guidance
Full climbing & scrambling outlook
Conditions for exposed scrambling look very poor (6/100). Rain during the climbing period is likely to leave rock wet and more slippery. The mapped summit rock is Calcareous pelite (Ben Lawers Schist Formation). Dry quartz-rich bands can be grippy, while mica-rich or foliated sections, lichen and vegetation may become slippery when wet. Gusts may reach about 45 mph. Crosswinds can make exposed ridges substantially more serious.
Rock surfaceWet rock likelyPeak gust45 mphRain1.6 mm
Main factorsgusts around 45 mphwet rock likely
Mapped rock across the summit and available routes
Calcareous peliteBen Lawers Schist Formation
Dry quartz-rich bands can be grippy, while mica-rich or foliated sections, lichen and vegetation may become slippery when wet. Summit-point mapping plus representative BGS bedrock samples along available GPX routes. These are not continuous geological surveys; contacts, superficial deposits and the exposed rock on individual holds may differ.
Rock groups along the sampled routes
These are mapped rock groups, not separate weather forecasts or a ranking of route safety.
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 darkBetaNight-sky guidance is unavailable for this night.View forecastClose forecast
After dark: aurora and stargazing
Night-sky guidance is unavailable for this night. This does not mean clear skies or no aurora.
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 Ben Lawers on Sunday 27 September 2026. It asks about intentions, not whether you actually went out. No name or account is needed.
