Great Staple Tor weather forecast.

455 m summit in Dartmoor. Seven-day wind, cloud, rain and temperature forecast, updated 27 August 2026 at 04:40 UTC.

At a glance

Today on Great Staple Tor.

Great Staple Tor on Thursday 27 August 2026: summit wind around 11 mph SW, gusting 16 mph; modelled cloud-free summit for 100% of daylight; feels like 13°C; 1.8 mm rain.

Medium confidenceHow the forecast works

Seven-day Great Staple Tor forecast.

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

Medium confidence
Wind11 mph SW Gusts16 mph Feels13°C Rain1.8 mm Cloud-free summit100% Cloud base955 m Freezing level2,910 m Daylight06:22–20:12 · 13.8 h

Forecast confidence: Thunderstorm timing is inherently uncertain and may shift by several hours.

Thunder risk: high

from early morning into the evening. Leave exposed summits and ridges if thunder develops.

Spate watch

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

A mixed day on Great Staple Tor: summit wind broadly 5-15 mph, with gusts 10-20 mph around midday (a moderate breeze). Thunderstorms are a significant hazard from early morning into the evening. Exposed summits and ridges are a poor choice while storms are nearby. There could be a spate risk based on forecast rainfall. Burns and unbridged crossings may rise quickly. Most likely from around 01:00 until around 00:00 the following day. Any cloud sits well above the tops (base 500-1200 m) - clear summits. Some rain is likely, with up to around 2 mm indicated; timing and local totals remain uncertain.

Medium confidence
Wind16 mph SW Gusts23 mph Feels13°C Rain9.6 mm Cloud-free summit100% Cloud base506 m Freezing level2,830 m Daylight06:23–20:10 · 13.8 h

Forecast confidence: Thunderstorm timing is inherently uncertain and may shift by several hours.

Thunder risk: moderate

from early morning into the evening. Leave exposed summits and ridges if thunder develops.

Spate watch

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

A wild day on Great Staple Tor: summit wind broadly 10-20 mph, with gusts 20-30 mph during the afternoon (fresh and blowy). A meaningful thunderstorm risk is indicated from early morning into the evening. Avoid committing to exposed ridges if storms begin to build. There could be a spate risk based on forecast rainfall. Burns and unbridged crossings may rise quickly. Most likely from around 02:00 until around 20:00. Any cloud sits well above the tops (base 400-700 m) - clear summits. 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 5-10 mm indicated; local totals could vary considerably.

Medium confidence
Wind18 mph SW Gusts25 mph Feels12°C Rain1.4 mm Cloud-free summit100% Cloud base734 m Freezing level3,034 m Daylight06:25–20:08 · 13.7 h

Forecast confidence: Thunderstorm timing is inherently uncertain and may shift by several hours.

Thunder risk: moderate

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

A mixed day on Great Staple Tor: summit wind broadly 10-25 mph, with gusts 20-30 mph during the afternoon (fresh and blowy). A meaningful thunderstorm risk is indicated from early morning into the afternoon. Avoid committing to exposed ridges if storms begin to build. The ground is likely to be wet after recent rain. Any cloud sits well above the tops (base 400-1000 m) - clear summits. 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 up to around 2 mm indicated; timing and local totals remain uncertain.

Medium confidence
Wind14 mph SW Gusts22 mph Feels13°C Rain0.9 mm Cloud-free summit100% Cloud base709 m Freezing level2,887 m Daylight06:26–20:06 · 13.7 h

Forecast confidence: Thunderstorm timing is inherently uncertain and may shift by several hours.

Thunder risk: high

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

A fine day on Great Staple Tor: summit wind broadly 5-20 mph, with gusts 15-25 mph during the evening (fresh and blowy). Thunderstorms are a significant hazard from the morning into the evening. Exposed summits and ridges are a poor choice while storms are nearby. Any cloud sits well above the tops (base 500-800 m) - clear summits. Little or no rain expected. Bright spells with UV up to 6 - sunscreen on exposed skin.

Medium confidence
Wind19 mph W Gusts26 mph Feels10°C Rain1.3 mm Cloud-free summit100% Cloud base1,467 m Freezing level2,284 m Daylight06:28–20:04 · 13.6 h

Forecast confidence: Rain is possible, but forecast models differ by about 8 hours on when it arrives.

A mixed day on Great Staple Tor: summit wind broadly 10-25 mph, with gusts 20-30 mph during the morning (fresh and blowy). Any cloud sits well above the tops (base 900-1500 m) - clear summits. 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 up to around 2 mm indicated; timing and local totals remain uncertain.

Medium confidence
Wind14 mph W Gusts19 mph Feels9°C Rain2.7 mm Cloud-free summit100% Cloud base573 m Freezing level2,596 m Daylight06:29–20:02 · 13.5 h

Forecast confidence: Thunderstorm timing is inherently uncertain and may shift by several hours.

Thunder risk: moderate

from early morning into the evening. Leave exposed summits and ridges if thunder develops.

A mixed day on Great Staple Tor: summit wind broadly 5-20 mph, with gusts 15-25 mph early in the morning (a moderate breeze). A meaningful thunderstorm risk is indicated from early morning into the evening. Avoid committing to exposed ridges if storms begin to build. Any cloud sits well above the tops (base 500-800 m) - clear summits. 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.

Forecast run: 2026-08-27

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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. Read how Mountain Weather forecasts are produced and where their limits lie.