| Mon May 20 | Tue May 21 | Wed May 22 | Thu May 23 | |
| Turf condition | dry | dry | dry | wet |
| a.m. | ||||
| p.m. | ||||
| Tmin 18-06 |
6°C | 8°C | 6°C | 6°C |
| Tmax 06-18 |
15°C | 14°C | 12°C | 9°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 Scattered clouds and sunny spells; both will be present in the coming days. On Thursday there will be showers. From 13 degrees on Tuesday the daily high will go down to 8 degrees on Thursday. On Thursday a fresh wind from the northwest. |