A mixed day on Hart Fell: 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 600-1600 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. Cloud will be lowest on the NW slopes, down to about 900-1200 m; the SE side should be clearer, lifting to around 1200-1500 m. 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.
Hart Fell weather forecast.
808 m summit forecast for wind, cloud, rain and temperature. Updated from the Thursday 6 August 2026 model run.
Seven-day Hart Fell forecast.
Conditions can change quickly with height. Use the day-by-day summit detail below, then check again close to departure.
A mixed day on Hart Fell: summit wind broadly 20-30 mph, with gusts 35-45 mph during the afternoon (strong winds). Much calmer lower down - generally 10-20 mph in the valley, rising towards the tops. Cloud base 600-1100 m - the top is likely to drift in and out of cloud, with the best chance of a view from the morning into the evening. 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.
A rough, clagged-in day on Hart Fell: summit wind broadly 30-40 mph, with gusts 45-55 mph around midday (gale-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 500-800 m; the NE 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.
A mixed day on Hart Fell: 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 700-1100 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. Cloud will be lowest on the W slopes, down to about 900-1200 m; the E side should be clearer, lifting to around 1100-1400 m. Some rain is likely, with up to around 2 mm indicated; timing and local totals remain uncertain. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 19 to 36 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 Hart Fell: 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 1500-1800 m) - clear summits. 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 9 to 26 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 mixed day on Hart Fell: summit wind broadly 10-25 mph, with gusts 25-35 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 1200-3200 m) - clear summits. 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 11 to 34 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 mixed day on Hart Fell: summit wind broadly 25-35 mph, with gusts 40-50 mph during the evening (gale-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 1200-1500 m) - clear summits. Cloud will be lowest on the S slopes, down to about 1300-1600 m; the N side should be clearer, lifting to around 1500-1800 m. Little or no rain expected. Bright spells with UV up to 6 - sunscreen on exposed skin. Confidence moderate (ensemble members show a moderate spread) - the summit peak could reasonably be 25-42 mph, so treat the headline as mid-range.
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.