The day on the hill
A fine day on Arnside Knott: breezy, with clear tops for most of the day.
Wind
On the summit expect an easterly wind of 10–25 mph for most of the day, with gusts of 25–35 mph at the windiest. Lower down on the open hillside the wind will be light, under 10 mph. Gusts like that will be noticeable on ridges and open tops, and you will chill quickly when you stop.
Cloud and visibility
The tops are likely to stay mostly clear of cloud, though brief patches cannot be ruled out. The air should be clear, so expect far-reaching views as long as the tops stay clear.
Rain and ground
A band of rain crosses mid-morning, clearing by midday.
Warmth and kit
On the tops it will be around 6 to 10°C, feeling like 2 to 6°C in the wind. The freezing level is above the summits. A windproof and an extra layer for stops will help.
Daylight
Sunset is around 4:30pm, so allow time to get off the hill before dark, and carry a head torch.
Sunshine context Model-grid estimate, not summit sunshine
The surrounding model grid indicates 2 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
- 2 h
- Later
- 0 h
Daytime · exposed rockClimbing & scramblingBetaFair conditions for exposed scrambling. Good71 View detailsHide details
Full climbing & scrambling outlook
Fair conditions for exposed scrambling. The rock should be drying, but damp patches, shaded holds and drainage lines may still be wet. Gusts of 25–35 mph could throw you off balance on exposed moves and ridges. The rock around the summit is mostly limestone, a pale sedimentary rock. It grips well where it is rough, but polished limestone is glassy and is very slippery when wet. It is generally solid, though cracked and fissured along its edges. These are general notes for each rock type, taken from geological maps around the summit, so the rock on your line may differ.
Limestone is a pale sedimentary rock. It grips well where it is rough, but polished limestone is glassy and is very slippery when wet. It is generally solid, though cracked and fissured along its edges. 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.
Rock groups along the sampled routes
These are mapped rock groups, not separate weather forecasts or a ranking of route safety.
Popular Arnside Knott
limestone
Geological detail and BGS records
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.
Limestone is a pale sedimentary rock. It grips well where it is rough, but polished limestone is glassy and is very slippery when wet. It is generally solid, though cracked and fissured along its edges.
BGS recordLimestone is a pale sedimentary rock. It grips well where it is rough, but polished limestone is glassy and is very slippery when wet. It is generally solid, though cracked and fissured along its edges.
BGS recordGeneric 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 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.
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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