A mixed day on Conachcraig: summit wind broadly 15-35 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 will be lowest on the NW slopes, down to about 1400-1700 m; the SE side should be clearer, lifting to around 1600-1900 m. Little or no rain expected. 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 26-36 mph, so treat the headline as mid-range.
Conachcraig weather forecast.
865 m summit forecast for wind, cloud, rain and temperature. Updated from the Thursday 6 August 2026 model run.
Seven-day Conachcraig forecast.
Conditions can change quickly with height. Use the day-by-day summit detail below, then check again close to departure.
A wild day on Conachcraig: summit wind broadly 35-55 mph, with gusts 65-75 mph during the afternoon (storm-force winds). Much calmer lower down - generally 10-20 mph in the valley, rising towards the tops. Cloud base 700-1100 m - the top is likely to drift in and out of cloud, with the best chance of a view from early morning into the afternoon. Cloud will be lowest on the SW slopes, down to about 900-1200 m; the NE side should be clearer, lifting to around 1200-1500 m. Little or no rain expected. 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 43-58 mph, so treat the headline as mid-range.
A wild day on Conachcraig: summit wind broadly 35-55 mph, with gusts 70-80 mph early in the morning (storm-force winds). Much calmer lower down - generally 10-20 mph in the valley, rising towards the tops. Any cloud sits well above the tops (base 900-2000 m) - clear summits. Cloud will be lowest on the SW slopes, down to about 1100-1400 m; the NE side should be clearer, lifting to around 1400-1700 m. Little or no rain expected. Confidence moderate (ensemble members show a moderate spread) - the summit peak could reasonably be 39-59 mph, so treat the headline as mid-range.
A wild day on Conachcraig: summit wind broadly 25-50 mph, with gusts 60-70 mph early in the morning (storm-force winds). Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Any cloud sits well above the tops (base 900-1600 m) - clear summits. Cloud will be lowest on the W slopes, down to about 1400-1700 m; the E side should be clearer, lifting to around 1500-1800 m. Little or no rain expected. Confidence moderate (ensemble members show a moderate spread) - the summit peak could reasonably be 34-56 mph, so treat the headline as mid-range. 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 Conachcraig: summit wind broadly 5-20 mph, with gusts 15-25 mph early in the morning (fresh and blowy). Any cloud sits well above the tops (base 1400-1700 m) - clear summits. Little or no rain expected. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 9 to 26 mph; check again nearer the time.
A mixed day on Conachcraig: summit wind broadly 10-30 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. Cloud base 800-1400 m - 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. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 12 to 35 mph; check again nearer the time.
A wild day on Conachcraig: summit wind broadly 25-45 mph, with gusts 50-60 mph early in the morning (gale-force winds). Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Cloud will be lowest on the S slopes, down to about 900-1200 m; the N side should be clearer, lifting to around 1100-1400 m. Little or no rain expected. Bright spells with UV up to 5 - sunscreen on exposed skin. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 23 to 67 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.