A grey, cloudy day on Sgùrr Chòinnich: summit wind broadly 20-35 mph, with gusts 35-45 mph during the evening (gale-force 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 the morning into the afternoon. 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 up to around 2 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 (ensemble members show a moderate spread) - the summit peak could reasonably be 24-32 mph, so treat the headline as mid-range.
Sgùrr Chòinnich weather forecast.
999 m summit forecast for wind, cloud, rain and temperature. Updated from the Thursday 6 August 2026 model run.
Seven-day Sgùrr Chòinnich forecast.
Conditions can change quickly with height. Use the day-by-day summit detail below, then check again close to departure.
A rough, clagged-in day on Sgùrr Chòinnich: summit wind broadly 45-60 mph, with gusts 70-80 mph during the afternoon (storm-force winds). Much calmer lower down - generally 15-25 mph in the valley, rising towards the tops. Cloud base 400-700 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 700-1000 m. A persistently wet day is possible, with around 20-40 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. Confidence moderate (ensemble members show a moderate spread) - the summit peak could reasonably be 34-64 mph, so treat the headline as mid-range.
A rough, clagged-in day on Sgùrr Chòinnich: summit wind broadly 50-60 mph, with gusts 75-85 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 around 20-40 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. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 33 to 72 mph; check again nearer the time.
A rough, clagged-in day on Sgùrr Chòinnich: summit wind broadly 25-45 mph, with gusts 50-60 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 400-1000 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 W slopes, down to about 600-900 m; the E side should be clearer, lifting to around 900-1200 m. Some rain is likely, with around 5-10 mm indicated; timing and local totals remain uncertain. Cold on top: air temperature broadly 4 to 8°C, feeling around -2 to 2°C in the wind - wrap up. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 29 to 59 mph; check again nearer the time.
A mixed day on Sgùrr Chòinnich: summit wind broadly 5-20 mph, with gusts 15-25 mph early in the morning (a moderate breeze). Cloud base 500-1600 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. 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 8 to 22 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.
A fine day on Sgùrr Chòinnich: summit wind broadly 10-30 mph, with gusts 25-35 mph during the evening (fresh and blowy). Much calmer lower down - generally 0-5 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. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 12 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.
A rough, clagged-in day on Sgùrr Chòinnich: summit wind broadly 35-50 mph, with gusts 60-70 mph around midday (storm-force winds). Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Cloud base 700-1000 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 S slopes, down to about 600-900 m; the N side should be clearer, lifting to around 900-1200 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 25 to 81 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
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