Sgùrr Dubh Mòr weather forecast.

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

Seven-day Sgùrr Dubh Mòr forecast.

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

Medium confidence
Wind29 mph W Gusts40 mph Feels-1°C Rain3.9 mm Cloud-free summit12% Cloud base598 m Freezing level1,950 m Daylight05:31–21:28 · 15.9 h
Spate watch

Burns and unbridged crossings on the approach may rise quickly. Allow for changing water levels.

A grey, cloudy day on Sgùrr Dubh Mòr: summit wind broadly 20-35 mph, with gusts 35-45 mph early in the morning (gale-force winds). Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Cloud base 500-800 m - expect clag for much of the day, though a brief clearance is possible early in the morning. Cloud will be lowest on the W slopes, down to about 500-800 m; the E side should be clearer, lifting to around 700-1000 m. Some rain is likely, with around 2-5 mm indicated; timing and local totals remain uncertain. Cold on top: air temperature broadly 2 to 6°C, feeling around -4 to 0°C in the wind - wrap up. Confidence moderate - the forecast models differ somewhat (the forecast models show a moderate spread), so treat the numbers as a guide.

High confidence
Wind57 mph SW Gusts80 mph Feels0°C Rain17.1 mm Cloud-free summit0% Cloud base399 m Freezing level2,110 m Daylight05:33–21:26 · 15.9 h
Spate watch

Burns and unbridged crossings on the approach may rise quickly. Allow for changing water levels.

A rough, clagged-in day on Sgùrr Dubh Mòr: summit wind broadly 45-60 mph, with gusts 75-85 mph during the evening (storm-force winds). Much calmer lower down - generally 15-25 mph in the valley, rising towards the tops. Cloud base 300-600 m - expect the top to stay in cloud for most or all of the day, with no dependable break. Cloud will be lowest on the SW slopes, down to about 200-500 m; the NE side should be clearer, lifting to around 600-900 m. A persistently wet day is possible, with around 10-20 mm indicated; local totals could vary considerably. Cold on top: air temperature broadly 4 to 8°C, feeling around -2 to 2°C in the wind - wrap up.

High confidence
Wind54 mph SW Gusts75 mph Feels2°C Rain46.5 mm Cloud-free summit0% Cloud base519 m Freezing level2,630 m Daylight05:35–21:23 · 15.8 h

A rough, clagged-in day on Sgùrr Dubh Mòr: summit wind broadly 45-60 mph, with gusts 70-80 mph early in the morning (storm-force winds). Much calmer lower down - generally 15-25 mph in the valley, rising towards the tops. Cloud base 500-800 m - expect the top to stay in cloud for most or all of the day, with no dependable break. Cloud will be lowest on the SW slopes, down to about 300-600 m; the NE side should be clearer, lifting to around 800-1100 m. A persistently wet day is possible, with more than 40 mm indicated; local totals could vary considerably. Cold on top: air temperature broadly 6 to 10°C, feeling around 0 to 4°C in the wind - wrap up.

High confidence
Wind36 mph W Gusts51 mph Feels1°C Rain0.6 mm Cloud-free summit44% Cloud base736 m Freezing level1,900 m Daylight05:37–21:21 · 15.7 h

A wild day on Sgùrr Dubh Mòr: summit wind broadly 20-40 mph, with gusts 45-55 mph early in the morning (gale-force winds). Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Cloud base 500-1000 m - the top is likely to drift in and out of cloud, with the best chance of a view from midday into the afternoon. 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.

Low confidence
Wind11 mph N Gusts14 mph Feels3°C Rain0.9 mm Cloud-free summit31% Cloud base815 m Freezing level1,850 m Daylight05:40–21:19 · 15.7 h

A grey, cloudy day on Sgùrr Dubh Mòr: summit wind broadly 0-15 mph, with gusts 10-20 mph early in the morning (a moderate breeze). Cloud base 500-1100 m - the top is likely to drift in and out of cloud, with the best chance of a view from late afternoon into the evening. Little or no rain expected. Low confidence - the models disagree markedly (the forecast models are widely spread); check again nearer the time.

Medium confidencePossible inversionLow confidence · Timing refining
Wind36 mph S Gusts50 mph Feels6°C Rain0.0 mm Cloud-free summit100% Cloud base2,025 m Freezing level2,350 m Daylight05:42–21:16 · 15.6 h

A wild day on Sgùrr Dubh Mòr: summit wind broadly 20-40 mph, with gusts 45-55 mph during the evening (gale-force winds). Much calmer lower down - generally 0-10 mph in the valley, rising towards the tops. Any cloud sits well above the tops (base 1200-3200 m) - clear summits. Little or no rain expected. Confidence moderate - the forecast models differ somewhat (the forecast models show a moderate spread), so treat the numbers as a guide. 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
Wind47 mph SW Gusts66 mph Feels5°C Rain19.4 mm Cloud-free summit0% Cloud base544 m Freezing level2,500 m Daylight05:44–21:14 · 15.5 h

A rough, clagged-in day on Sgùrr Dubh Mòr: summit wind broadly 35-50 mph, with gusts 60-70 mph around midday (storm-force winds). Much calmer lower down - generally 10-20 mph in the valley, rising towards the tops. Cloud base 500-800 m - expect the top to stay in cloud for most or all of the day, with no dependable break. Cloud will be lowest on the SW slopes, down to about 400-700 m; the NE side should be clearer, lifting to around 700-1000 m. A persistently wet day is possible, with around 10-20 mm indicated; local totals could vary considerably. Confidence moderate - the forecast models differ somewhat (the forecast models show a moderate spread), so treat the numbers as a guide. 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.

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.