| Thu Jun 20 | Fri Jun 21 | Sat Jun 22 | Sun Jun 23 | |
| Tmin 18-06 |
6°C | 10°C | 8°C | 8°C |
| Tmax 06-18 |
17°C | 17°C | 12°C | 14°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 Many clouds and hardly any sun. On Friday some sunny spells. However, showers are expected for Friday and Sunday. On Saturday it rains at times. It's getting cooler: From 17 degrees on Friday the daily highs drop to 12 degrees on Saturday. A fresh wind from the west. |