Meall Horn weather forecast.

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

Seven-day Meall Horn forecast.

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

High confidence
Wind29 mph W Gusts40 mph Feels-0°C Rain0.8 mm Cloud-free summit75% Cloud base921 m Freezing level2,190 m Daylight05:20–21:28 · 16.1 h

Cloud-free timing: Around 25% early, improving to around 83% later.

A mixed day on Meall Horn: summit wind broadly 15-35 mph, with gusts 35-45 mph during the evening (gale-force winds). The ground is likely to be wet after recent rain. Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Cloud base around 500-800 m in the morning, 1000-1300 m around midday and 800-1100 m by late afternoon. The top is likely to drift in and out of cloud; views may come and go. 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.

High confidence
Wind51 mph SW Gusts72 mph Feels2°C Rain16.5 mm Cloud-free summit0% Cloud base534 m Freezing level2,290 m Daylight05:22–21:26 · 16.1 h
Spate watch

Burns and unbridged crossings may rise quickly. Assess them at the water and turn back if unsure.

A rough, clagged-in day on Meall Horn: summit wind broadly 45-55 mph, with gusts 65-75 mph during the afternoon (storm-force winds). The ground is likely to be wet after recent rain. There could be a spate risk based on forecast rainfall. Burns and unbridged crossings may rise quickly. Most likely from around 00:00 until around 03:00 the following day. Much calmer lower down - generally 20-30 mph in the valley, rising towards the tops. Cloud base mostly around 500-800 m through daylight. Expect the top to stay in cloud for most or all of daylight, with no dependable break. Cloud is likely to hang lowest on southwestern slopes; the northeastern side should see somewhat higher bases and better breaks. 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.

Medium confidence
Wind56 mph SW Gusts78 mph Feels3°C Rain34.8 mm Cloud-free summit0% Cloud base488 m Freezing level2,510 m Daylight05:24–21:24 · 16.0 h
Severe spate risk

Burns and unbridged crossings may rise quickly. Assess them at the water and turn back if unsure.

A rough, clagged-in day on Meall Horn: summit wind broadly 40-60 mph, with gusts 75-85 mph around midday (storm-force winds). The ground is likely to be wet after recent rain. Severe spate risk based on forecast rainfall. Burns and unbridged crossings may become unsafe or impassable. Most likely from around 00:00 until around 06:00 the following day. Much calmer lower down - generally 20-30 mph in the valley, rising towards the tops. Cloud base mostly around 400-700 m through daylight. Expect the top to stay in cloud for most or all of daylight, with no dependable break. Cloud is likely to hang lowest on southwestern slopes; the northeastern side should see somewhat higher bases and better breaks. A persistently wet day is possible, with around 20-40 mm indicated; local totals could vary considerably. Confidence moderate (ensemble members show a moderate spread) - the summit peak could reasonably be 40-64 mph, so treat the headline as mid-range.

Medium confidence
Wind38 mph W Gusts53 mph Feels1°C Rain3.4 mm Cloud-free summit25% Cloud base702 m Freezing level1,905 m Daylight05:26–21:21 · 15.9 h
Thunder risk: low

from midday into the afternoon. Leave exposed summits and ridges if thunder develops.

Cloud-free timing: Around 0% early, improving to around 33% later.

A rough, clagged-in day on Meall Horn: summit wind broadly 25-40 mph, with gusts 50-60 mph during the morning (gale-force winds). Thunderstorms are possible from midday into the afternoon. Keep an escape route from exposed ridges and descend if thunder develops. The ground is likely to be saturated after recent rain. Expect boggy paths and rapid runoff if more rain arrives. Much calmer lower down - generally 15-25 mph in the valley, rising towards the tops. Cloud base around 400-700 m in the morning, lifting to 700-1000 m around midday and 700-1000 m by late afternoon. The top is likely to drift in and out of cloud, with the best chance of a view during the afternoon. Cloud is likely to hang lowest on western slopes; the eastern side should see somewhat higher bases and better breaks. Some rain is likely, with around 2-5 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. Confidence moderate (ensemble members show a moderate spread) - the summit peak could reasonably be 22-44 mph, so treat the headline as mid-range.

Low confidence
Wind17 mph NW Gusts24 mph Feels-1°C Rain0.4 mm Cloud-free summit81% Cloud base1,032 m Freezing level1,339 m Daylight05:29–21:19 · 15.8 h

Cloud-free timing: Around 50% early, improving to around 83% later.

A fine day on Meall Horn: summit wind broadly 5-20 mph, with gusts 20-30 mph early in the morning (fresh and blowy). The ground is likely to be saturated after recent rain. Expect boggy paths and rapid runoff if more rain arrives. Cloud is likely to hang lowest on northwestern slopes; the southeastern side should see somewhat higher bases and better breaks. 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 (ensemble members are widely spread) - the summit peak could be anywhere from 10 to 23 mph; check again nearer the time.

Low confidence
Wind20 mph S Gusts25 mph Feels5°C Rain0.0 mm Cloud-free summit75% Cloud base2,034 m Freezing level2,706 m Daylight05:31–21:16 · 15.8 h

Cloud-free timing: Around 0% early, improving to around 100% later.

A fine day on Meall Horn: summit wind broadly 5-25 mph, with gusts 20-30 mph during the evening (fresh and blowy). The ground is likely to be saturated after recent rain. Expect boggy paths and rapid runoff if more rain arrives. Much calmer lower down - generally 0-10 mph in the valley, rising towards the tops. Cloud base around 600-900 m in the morning, lifting to 1100-1400 m around midday and 2000-2300 m by late afternoon. The top is likely to drift in and out of cloud; views may come and go. Little or no rain expected. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 15 to 27 mph; check again nearer the time.

Low confidence
Wind36 mph SW Gusts50 mph Feels10°C Rain4.7 mm Cloud-free summit44% Cloud base658 m Freezing level3,236 m Daylight05:33–21:14 · 15.7 h
Thunder risk: high

from late afternoon into the evening. Leave exposed summits and ridges if thunder develops.

Cloud-free timing: Around 0% early, improving to around 33% later.

A wild day on Meall Horn: summit wind broadly 25-40 mph, with gusts 45-55 mph during the evening (gale-force winds). Thunderstorms are a significant hazard from late afternoon into the evening. Exposed summits and ridges are a poor choice while storms are nearby. Much calmer lower down - generally 10-20 mph in the valley, rising towards the tops. Cloud base around 500-800 m in the morning, 1000-1300 m around midday and 500-800 m by late afternoon. 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 is likely to hang lowest on southwestern slopes; the northeastern side should see somewhat higher bases and better breaks. 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 19 to 62 mph; check again nearer the time.

Forecast run: 2026-08-06

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