Sgùrr Cos na Breachd-laoidh weather forecast.

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

Seven-day Sgùrr Cos na Breachd-laoidh forecast.

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

High confidence
Wind24 mph W Gusts33 mph Feels-1°C Rain0.4 mm Cloud base600 m Freezing level1,880 m

A grey, cloudy day on Sgùrr Cos na Breachd-laoidh: summit wind broadly 15-30 mph, with gusts 30-40 mph early in the morning (strong winds). Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. 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 morning into midday. 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. Little or no rain expected. Cold on top: air temperature broadly 2 to 6°C, feeling around -2 to 2°C in the wind - wrap up.

Low confidence
Wind47 mph SW Gusts66 mph Feels1°C Rain19.8 mm Cloud base668 m Freezing level1,950 m

A rough, clagged-in day on Sgùrr Cos na Breachd-laoidh: summit wind broadly 35-50 mph, with gusts 60-70 mph during the afternoon (storm-force winds). Much calmer lower down - generally 10-20 mph in the valley, rising towards the tops. Cloud base 600-900 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 500-800 m; the NE side should be clearer, lifting to around 900-1200 m. A persistently wet day is possible, with around 10-20 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. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 28 to 56 mph; check again nearer the time.

Low confidence
Wind48 mph SW Gusts67 mph Feels3°C Rain27.5 mm Cloud base529 m Freezing level2,650 m

A rough, clagged-in day on Sgùrr Cos na Breachd-laoidh: summit wind broadly 35-55 mph, with gusts 60-70 mph early in the morning (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 300-600 m; the NE side should be clearer, lifting to around 800-1100 m. A persistently wet day is possible, with around 20-40 mm indicated; local totals could vary considerably. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 28 to 65 mph; check again nearer the time.

Low confidence
Wind34 mph W Gusts47 mph Feels2°C Rain4.8 mm Cloud base738 m Freezing level1,950 m

A rough, clagged-in day on Sgùrr Cos na Breachd-laoidh: summit wind broadly 20-40 mph, with gusts 40-50 mph early in the morning (gale-force winds). Much calmer lower down - generally 10-20 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 during the morning. Cloud will be lowest on the W slopes, down to about 600-900 m; the E side should be clearer, lifting to around 800-1100 m. 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 22 to 47 mph; check again nearer the time.

Low confidence
Wind11 mph NW Gusts16 mph Feels3°C Rain0.3 mm Cloud base1,306 m Freezing level1,850 m

A fine day on Sgùrr Cos na Breachd-laoidh: summit wind broadly 5-15 mph, with gusts 10-20 mph early in the morning (a moderate breeze). Cloud base 800-1600 m - the top is likely to drift in and out of cloud, with the best chance of a view from around midday into the evening. The cloud base is very changeable today - it could sit much higher or lower than that at times, so read the sky. Little or no rain expected. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 6 to 20 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.

Low confidence
Wind24 mph S Gusts34 mph Feels7°C Rain0.0 mm Cloud base3,104 m Freezing level2,350 m

A mixed day on Sgùrr Cos na Breachd-laoidh: summit wind broadly 15-30 mph, with gusts 30-40 mph during the evening (strong winds). Much calmer lower down - generally 0-10 mph in the valley, rising towards the tops. Any cloud sits well above the tops (base 1500-3200 m) - clear summits. Little or no rain expected. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 15 to 39 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.

Low confidence
Wind41 mph S Gusts57 mph Feels7°C Rain9.0 mm Cloud base765 m Freezing level2,450 m

A wild day on Sgùrr Cos na Breachd-laoidh: summit wind broadly 30-45 mph, with gusts 50-60 mph during the morning (storm-force winds). Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Cloud base 500-1500 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. The cloud base is very changeable today - it could sit much higher or lower than that at times, so read the sky. Cloud will be lowest on the S slopes, down to about 600-900 m; the N side should be clearer, lifting to around 1000-1300 m. A persistently wet day is possible, with around 5-10 mm indicated; local totals could vary considerably. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 21 to 62 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.

Forecast run: 2026-08-06

A forecast is part of the decision.

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.