| Mon May 20 | Tue May 21 | Wed May 22 | Thu May 23 | |
| Tmin 18-06 |
8°C | 10°C | 10°C | 8°C |
| Tmax 06-18 |
14°C | 12°C | 13°C | 11°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 - Helston | Distance |
| RNAS Culdrose | 1.2 km |
| Camborne | 15.3 km |
| Newquay | 43.3 km |
| Cardinham | 63.0 km |
| Scilly St Mary | 76.2 km |