| Fri May 24 | Sat May 25 | Sun May 26 | Mon May 27 | |
| Turf condition | damp | dry | dry | wet |
| a.m. | ||||
| p.m. | ||||
| Tmin 18-06 |
5°C | 2°C | 3°C | 6°C |
| Tmax 06-18 |
10°C | 14°C | 13°C | 10°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 - Llyn Trawsfynydd | Distance |
| Gwynedd | 7.5 km |
| Porthmadog | 15.0 km |
| Harlech | 16.6 km |
| Bala Lake | 21.3 km |
| Barmouth | 21.9 km |
| Snowdonia | 22.3 km |
| Bala | 24.6 km |
| Forecast: Llyn Trawsfynydd Region While the weather on Saturday is still clear clouds will increase. On Sunday some scattered showers are possible, on Monday it will be raining at times. The maximum temperature lies around 12 degrees. |