| Sat May 18 | Sun May 19 | Mon May 20 | Tue May 21 | |
| Tmin 18-06 |
4°C | 5°C | 9°C | 12°C |
| Tmax 06-18 |
15°C | 13°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 Forecast Locations - Swanage | Distance |
| Poole | 11.4 km |
| Bournemouth | 22.0 km |
| Forecast: Swanage Region While on Sunday it's still overcast clouds will subsequently decrease. But on Sunday and Monday rain is to expected. The temperature rises from 13 degrees on Sunday to 17 degrees on Tuesday. |