| Thu Jun 20 | Fri Jun 21 | Sat Jun 22 | Sun Jun 23 | |
| Tmin 18-06 |
7°C | 11°C | 11°C | 11°C |
| Tmax 06-18 |
18°C | 15°C | 13°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 - Snowdonia | Distance |
| Porthmadog | 15.0 km |
| Menai Bridge | 19.4 km |
| Conwy | 21.5 km |
| Llyn Trawsfynydd | 22.3 km |
| Caernarfon | 22.6 km |
| Llyn Brenig | 27.9 km |
| Gwynedd | 29.7 km |
| Forecast: Snowdonia Region In the next few days, it's mostly cloudy. The sun will break through most likely on Friday . However, on Thursday and Saturday rain is to expected. The daily high falls from 17 degrees on Thursday to 13 degrees on Saturday. |