Beinn Chuirn weather forecast.

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

Seven-day Beinn Chuirn forecast.

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

High confidence
Wind18 mph W Gusts25 mph Feels1°C Rain0.0 mm Cloud-free summit62% Cloud base1,053 m Freezing level2,050 m Daylight05:29–21:19 · 15.8 h

Cloud-free timing: Around 0% early, improving to around 100% later.

A mixed day on Beinn Chuirn: summit wind broadly 10-25 mph, with gusts 20-30 mph during the evening (fresh and blowy). The ground is likely to be wet after recent rain. Cloud base around 600-900 m in the morning, lifting to 1000-1300 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 around midday into the evening. Cloud is likely to hang lowest on western slopes; the eastern side should see somewhat higher bases and better breaks. Little or no rain expected. Cold on top: air temperature broadly 4 to 8°C, feeling around 0 to 4°C in the wind - wrap up.

Medium confidence
Wind37 mph SW Gusts52 mph Feels1°C Rain2.9 mm Cloud-free summit0% Cloud base587 m Freezing level1,980 m Daylight05:31–21:16 · 15.8 h

A rough, clagged-in day on Beinn Chuirn: summit wind broadly 30-40 mph, with gusts 45-55 mph during the morning (gale-force winds). The ground is likely to be wet after recent rain. Much calmer lower down - generally 10-20 mph in the valley, rising towards the tops. Cloud base mostly around 600-900 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. Some rain is likely, with around 2-5 mm indicated; timing and local totals remain uncertain. Cold on top: air temperature broadly 6 to 10°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 26-45 mph, so treat the headline as mid-range.

Low confidence
Wind40 mph SW Gusts56 mph Feels3°C Rain14.5 mm Cloud-free summit0% Cloud base674 m Freezing level2,950 m Daylight05:33–21:14 · 15.7 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 Chuirn: summit wind broadly 30-45 mph, with gusts 50-60 mph around midday (storm-force winds). There could be a spate risk based on forecast rainfall. Burns and unbridged crossings may rise quickly. Most likely from around 08:00 until around 03:00 the following day. Much calmer lower down - generally 10-20 mph in the valley, rising towards the tops. Cloud base mostly around 600-900 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. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 24 to 49 mph; check again nearer the time.

Low confidence
Wind28 mph W Gusts39 mph Feels2°C Rain8.7 mm Cloud-free summit38% Cloud base753 m Freezing level2,436 m Daylight05:35–21:12 · 15.6 h
Spate watch

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

Cloud-free timing: Around 0% early, improving to around 33% later.

A rough, clagged-in day on Beinn Chuirn: summit wind broadly 15-35 mph, with gusts 35-45 mph early in the morning (strong 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 00:00 until around 14:00. Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Cloud base around 500-800 m in the morning, 900-1200 m around midday and 700-1000 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 is likely to hang lowest on western slopes; the eastern side should see somewhat higher bases and better breaks. A persistently wet day is possible, with around 5-10 mm indicated; local totals could vary considerably. Cold on top: air temperature broadly 4 to 8°C, feeling around 0 to 4°C in the wind - wrap up. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 18 to 42 mph; check again nearer the time.

Low confidence
Wind12 mph NW Gusts14 mph Feels3°C Rain0.0 mm Cloud-free summit62% Cloud base1,518 m Freezing level1,986 m Daylight05:37–21:10 · 15.5 h

Cloud-free timing: Around 0% early, improving to around 100% later.

A mixed day on Beinn Chuirn: summit wind broadly 5-15 mph, with gusts 10-20 mph early in the morning (a moderate breeze). The ground is likely to be wet after recent rain. Cloud base around 600-900 m in the morning, lifting to 1500-1800 m around midday and 1500-1800 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. 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 7 to 21 mph; check again nearer the time.

Low confidence
Wind22 mph SE Gusts30 mph Feels5°C Rain0.0 mm Cloud-free summit69% Cloud base1,299 m Freezing level3,092 m Daylight05:39–21:07 · 15.5 h

Cloud-free timing: Around 0% early, improving to around 100% later.

A mixed day on Beinn Chuirn: summit wind broadly 10-25 mph, with gusts 25-35 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. Cloud base around 600-900 m in the morning, 3100-3400 m around midday and 1200-1500 m by late afternoon. The top is likely to drift in and out of cloud; views may come and go. Little or no rain expected. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 13 to 30 mph; check again nearer the time.

Low confidence
Wind31 mph S Gusts44 mph Feels11°C Rain4.6 mm Cloud-free summit12% Cloud base572 m Freezing level3,293 m Daylight05:41–21:05 · 15.4 h
Thunder risk: moderate

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

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

A grey, cloudy day on Beinn Chuirn: summit wind broadly 25-35 mph, with gusts 40-50 mph around midday (gale-force winds). A meaningful thunderstorm risk is indicated from the morning into overnight. Avoid committing to exposed ridges if storms begin to build. Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Cloud base around 800-1100 m in the morning, lowering to 500-800 m around midday and 500-800 m by late afternoon. Expect clag for much of the day, though a brief clearance is possible early in 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 2-5 mm indicated; timing and local totals remain uncertain. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 18 to 58 mph; check again nearer the time.

Forecast run: 2026-08-06

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