Sgùrr Fiona (An Teallach) weather forecast.

1,060 m summit forecast for wind, cloud, rain and temperature. Updated from the Thursday 6 August 2026 model run.

Seven-day Sgùrr Fiona (An Teallach) forecast.

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

High confidence
Wind33 mph W Gusts46 mph Feels-3°C Rain2.8 mm Cloud base813 m Freezing level1,920 m

A rough, clagged-in day on Sgùrr Fiona (An Teallach): summit wind broadly 20-40 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. Cloud base 700-1100 m - expect clag for much of the day, though a brief clearance is possible during the evening. Cloud will be lowest on the W slopes, down to about 700-1000 m; the E 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. Cold on top: air temperature broadly 2 to 6°C, feeling around -4 to 0°C in the wind - wrap up.

Medium confidence
Wind56 mph SW Gusts78 mph Feels-2°C Rain26.1 mm Cloud base538 m Freezing level2,150 m

A rough, clagged-in day on Sgùrr Fiona (An Teallach): summit wind broadly 45-60 mph, with gusts 75-85 mph during the evening (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. Cold on top: air temperature broadly 4 to 8°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 41-65 mph, so treat the headline as mid-range.

Medium confidence
Wind56 mph SW Gusts79 mph Feels2°C Rain25.6 mm Cloud base508 m Freezing level2,510 m

A rough, clagged-in day on Sgùrr Fiona (An Teallach): summit wind broadly 45-60 mph, with gusts 75-85 mph during the evening (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. 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 43-71 mph, so treat the headline as mid-range.

Low confidence
Wind44 mph W Gusts61 mph Feels-1°C Rain2.6 mm Cloud base749 m Freezing level1,900 m

A rough, clagged-in day on Sgùrr Fiona (An Teallach): summit wind broadly 25-50 mph, with gusts 55-65 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 clag for much of the day, though a brief clearance is possible during the afternoon. 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 2-5 mm indicated; timing and local totals remain uncertain. Cold on top: air temperature broadly 4 to 8°C, feeling around -4 to 0°C in the wind - wrap up. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 26 to 57 mph; check again nearer the time.

Low confidence
Wind17 mph NW Gusts24 mph Feels-1°C Rain0.7 mm Cloud base803 m Freezing level1,700 m

A grey, cloudy day on Sgùrr Fiona (An Teallach): summit wind broadly 5-20 mph, with gusts 20-30 mph early in the morning (fresh and blowy). 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 afternoon into the evening. 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 7 to 29 mph; check again nearer the time.

Low confidence
Wind32 mph S Gusts45 mph Feels4°C Rain0.0 mm Cloud base1,101 m Freezing level2,200 m

A mixed day on Sgùrr Fiona (An Teallach): summit wind broadly 10-35 mph, with gusts 40-50 mph during the evening (gale-force winds). Much calmer lower down - generally 0-10 mph in the valley, rising towards the tops. Cloud base 700-2100 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 19 to 48 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
Wind42 mph S Gusts59 mph Feels6°C Rain1.5 mm Cloud base761 m Freezing level2,650 m

A rough, clagged-in day on Sgùrr Fiona (An Teallach): summit wind broadly 35-45 mph, with gusts 55-65 mph around midday (storm-force winds). Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Cloud base 700-1100 m - expect clag for much of the day, though a brief clearance is possible early in the morning. 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. 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 22 to 78 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.