Beinn nan Caorach weather forecast.

774 m summit forecast for wind, cloud, rain and temperature. Updated from the Thursday 6 August 2026 model run.

Seven-day Beinn nan Caorach forecast.

Conditions can change quickly with height. Use the day-by-day summit detail below, then check again close to departure.

High confidence
Wind22 mph W Gusts31 mph Feels1°C Rain0.0 mm Cloud-free summit81% Cloud base1,036 m Freezing level1,930 m Daylight05:29–21:25 · 15.9 h

Cloud-free timing: Around 50% early, improving to around 83% later.

A mixed day on Beinn nan Caorach: summit wind broadly 10-25 mph, with gusts 25-35 mph during the evening (strong winds). The ground is likely to be saturated after recent rain. Expect boggy paths and rapid runoff if more rain arrives. Much calmer lower down - generally 0-10 mph in the valley, rising towards the tops. Little or no rain expected. Cold on top: air temperature broadly 4 to 8°C, feeling around -2 to 2°C in the wind - wrap up.

High confidence
Wind47 mph SW Gusts66 mph Feels2°C Rain10.8 mm Cloud-free summit0% Cloud base565 m Freezing level2,110 m Daylight05:31–21:23 · 15.9 h
Spate watch

Burns and unbridged crossings may rise quickly. Assess them at the water and turn back if unsure.

A rough, clagged-in day on Beinn nan Caorach: summit wind broadly 40-50 mph, with gusts 60-70 mph around midday (storm-force winds). The ground is likely to be saturated after recent rain. Expect boggy paths and rapid runoff if more rain arrives. There could be a spate risk based on forecast rainfall. Burns and unbridged crossings may rise quickly. Most likely from around 00:00 until around 22:00. Much calmer lower down - generally 15-25 mph in the valley, rising towards the tops. Cloud base mostly around 500-800 m through daylight. Expect the top to stay in cloud for most or all of daylight, with no dependable break. Cloud is likely to hang lowest on southwestern slopes; the northeastern side should see somewhat higher bases and better breaks. A persistently wet day is possible, with around 10-20 mm indicated; local totals could vary considerably.

Medium confidence
Wind56 mph SW Gusts78 mph Feels3°C Rain18.3 mm Cloud-free summit0% Cloud base517 m Freezing level2,720 m Daylight05:33–21:20 · 15.8 h
Spate watch

Burns and unbridged crossings may rise quickly. Assess them at the water and turn back if unsure.

A rough, clagged-in day on Beinn nan Caorach: summit wind broadly 40-60 mph, with gusts 75-85 mph around midday (storm-force winds). The ground is likely to be wet after recent rain. There could be a spate risk based on forecast rainfall. Burns and unbridged crossings may rise quickly. Most likely from around 05:00 until around 03:00 the following day. Much calmer lower down - generally 15-25 mph in the valley, rising towards the tops. Cloud base mostly around 500-800 m through daylight. Expect the top to stay in cloud for most or all of daylight, with no dependable break. Cloud is likely to hang lowest on southwestern slopes; the northeastern side should see somewhat higher bases and better breaks. A persistently wet day is possible, with around 10-20 mm indicated; local totals could vary considerably. Confidence moderate (ensemble members show a moderate spread) - the summit peak could reasonably be 44-62 mph, so treat the headline as mid-range.

Medium confidence
Wind25 mph W Gusts35 mph Feels2°C Rain1.8 mm Cloud-free summit25% Cloud base735 m Freezing level1,861 m Daylight05:35–21:18 · 15.7 h

Cloud-free timing: Around 0% early, improving to around 50% later.

A grey, cloudy day on Beinn nan Caorach: summit wind broadly 15-30 mph, with gusts 30-40 mph early in the morning (strong winds). The ground is likely to be wet after recent rain. Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Cloud base around 700-1000 m in the morning, 500-800 m around midday and 900-1200 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 is likely to hang lowest on western slopes; the eastern side should see somewhat higher bases and better breaks. Some rain is likely, with up to around 2 mm indicated; timing and local totals remain uncertain. Cold on top: air temperature broadly 4 to 8°C, feeling around 0 to 4°C in the wind - wrap up. Confidence moderate (ensemble members show a moderate spread) - the summit peak could reasonably be 19-32 mph, so treat the headline as mid-range.

Low confidence
Wind9 mph NW Gusts11 mph Feels4°C Rain0.2 mm Cloud-free summit62% Cloud base1,041 m Freezing level1,864 m Daylight05:37–21:16 · 15.7 h

Cloud-free timing: Around 0% early, improving to around 83% later.

A mixed day on Beinn nan Caorach: summit wind broadly 0-15 mph, with gusts 5-15 mph around midday (a moderate breeze). The ground is likely to be wet after recent rain. Cloud base around 500-800 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 the morning into the evening. Little or no rain expected. Bright spells with UV up to 6 - sunscreen on exposed skin. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 4 to 15 mph; check again nearer the time. Cloud base is the least certain part of this - the models are only moderately agreed, so it could sit a couple of hundred metres either way.

Medium confidence
Wind25 mph S Gusts35 mph Feels6°C Rain0.0 mm Cloud-free summit81% Cloud base2,039 m Freezing level2,954 m Daylight05:39–21:13 · 15.6 h

Cloud-free timing: Best around midday at about 100%; around 75% early and 67% later.

A mixed day on Beinn nan Caorach: summit wind broadly 10-30 mph, with gusts 30-40 mph during the evening (strong winds). The ground is likely to be wet after recent rain. Much calmer lower down - generally 0-10 mph in the valley, rising towards the tops. Little or no rain expected. Bright spells with UV up to 5 - sunscreen on exposed skin. Confidence moderate (ensemble members show a moderate spread) - the summit peak could reasonably be 16-31 mph, so treat the headline as mid-range.

Low confidence
Wind38 mph S Gusts53 mph Feels10°C Rain5.5 mm Cloud-free summit50% Cloud base561 m Freezing level3,263 m Daylight05:41–21:11 · 15.5 h
Thunder risk: high

from the morning into the evening. Leave exposed summits and ridges if thunder develops.

Cloud-free timing: Around 100% early, falling to around 50% later.

A wild day on Beinn nan Caorach: summit wind broadly 30-45 mph, with gusts 50-60 mph early in the morning (gale-force winds). Thunderstorms are a significant hazard from the morning into the evening. Exposed summits and ridges are a poor choice while storms are nearby. Much calmer lower down - generally 10-20 mph in the valley, rising towards the tops. Cloud base around 1500-1800 m in the morning, lowering to 500-800 m around midday and 500-800 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 is likely to hang lowest on southern slopes; the northern side should see somewhat higher bases and better breaks. Some rain is likely, with around 5-10 mm indicated; timing and local totals remain uncertain. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 24 to 75 mph; check again nearer the time.

Forecast run: 2026-08-06

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Mountain weather can differ sharply from conditions in the valley. Check official warnings, carry appropriate navigation and clothing, and be ready to change the plan.