| Mon May 20 | Tue May 21 | Wed May 22 | Thu May 23 | |
| Tmin 18-06 |
7°C | 10°C | 7°C | 6°C |
| Tmax 06-18 |
17°C | 16°C | 15°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 Forecast Locations - Cardiff | Distance |
| Newport | 2.2 km |
| Caerphilly | 7.5 km |
| South Wales | 19.6 km |
| Weston-super-Mare | 22.5 km |
| Weston-super-Mare | 24.6 km |
| Merthyr Tydfil | 28.4 km |
| Forecast: Cardiff Region In the next few days, some sunny spells. Especailly on Wednesday sunny periods increase. Rain will not occur during daytime. The daily high temperature near 16 degrees. |