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Porthmadog (52° 55' N/4° 07' W)
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| Fr 04 | Sa 05 | Su 06 | Mo 07 | Tu 08 | We 09 | Th 10 | Fr 11 | Sa 12 | Su 13 | Mo 14 | Tu 15 | We 16 | Th 17 | |
| Tmin (°C) | 9 | 10 | 11 | 9 | 10 | 9 | 10 | 6 | 3 | 4 | 6 | 11 | 11 | 9 |
| Tmax (°C) | 16 | 17 | 15 | 17 | 17 | 15 | 14 | 10 | 11 | 12 | 14 | 15 | 15 | 14 |
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| a.m. | S 6 | S 6 | SE 5 | S 4 | E 2 | E 4 | N 6 | N 9 | NW 4 | SW 4 | S 11 | SW 16 | W 9 | N 4 |
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| S 8 | S 9 | SW 6 | S 6 | SE 1 | E 7 | NW 11 | N 5 | W 7 | SW 7 | S 10 | SW 16 | SW 9 | W 3 | |
| Gusts (mph) | 37 | |||||||||||||
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| S 6 | SE 8 | SW 5 | SE 3 | NE 0 | E 6 | NW 10 | N 3 | NW 3 | SW 5 | S 14 | SW 13 | W 5 | N 2 | |
| Gusts (mph) | 37 | |||||||||||||
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| Precipitation (mm) | 0.2 | 0 | 5.3 | 2.2 | 2.1 | 18.3 | 22.9 | 8.3 | 1.1 | 0 | 3.8 | 13.7 | 3.1 | 0 |
| Rain risk | 25 % | 30 % | 70 % | 55 % | 55 % | 80 % | 75 % | 65 % | 55 % | 40 % | 45 % | 65 % | 55 % | 35 % |
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| Sunshine hours (hrs) | 1.7 | 5.1 | 0.6 | 3.3 | 1.7 | 0.0 | 0.5 | 0.5 | 2.2 | 2.1 | 1.6 | 1.6 | 1.6 | 2.6 |
| UV index | 2 | 3 | 1 | 3 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 2 | 2 |
| Sunrise Sunset |
07:24 18:45 |
07:26 18:43 |
07:28 18:40 |
07:29 18:38 |
07:31 18:36 |
07:33 18:33 |
07:35 18:31 |
07:36 18:29 |
07:38 18:27 |
07:40 18:24 |
07:42 18:22 |
07:44 18:20 |
07:45 18:18 |
07:47 18:15 |
Last updated: Fr, 04 Oct, 19:04 BST
(Wind Speed in mph)
Wind data for guidance only, actually gusts may be considerably higher than those shown.
