| Fri May 24 | Sat May 25 | Sun May 26 | Mon May 27 | |
| Tmin 18-06 |
4°C | 4°C | 5°C | 7°C |
| Tmax 06-18 |
13°C | 13°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 - Barmouth | Distance |
| Bala | 38.4 km |
| Lake Vyrnwy | 39.5 km |
| Trawscoed | 41.4 km |
| Capel Curig | 43.4 km |
| Aberdaron | 46.6 km |
| Raf Mona | 63.0 km |
| Valley | 67.6 km |
| Rhyl | 69.9 km |
| Aberporth | 73.8 km |
| Sennybridge | 78.1 km |
| Pembrey Burrows | 113.4 km |