| Sat May 18 | Sun May 19 | Mon May 20 | Tue May 21 | |
| Tmin 18-06 |
5°C | 4°C | 6°C | 9°C |
| Tmax 06-18 |
13°C | 14°C | 16°C | 17°C |
| morning 24-06 |
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| a.m. 06-12 |
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| p.m. 12-18 |
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| evening 18-24 |
| Nearby Weather Stations - Okehampton | Distance |
| Exeter Airport | 39.9 km |
| Royal Marines Base Chivenor | 40.7 km |
| Plymouth MtBatten | 43.7 km |
| Liscombe | 47.3 km |
| Cardinham | 54.8 km |
| Dunkeswell Aerodrome | 54.8 km |
| Newquay | 79.2 km |
| St Athan | 83.6 km |
| Cardiff Airport | 86.4 km |
| Mumbles | 92.8 km |
| Pembrey Burrows | 112.7 km |