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Porthmadog (52° 55' N/4° 07' W)
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| Mo 30 | Tu 01 | We 02 | Th 03 | Fr 04 | Sa 05 | Su 06 | Mo 07 | Tu 08 | We 09 | Th 10 | Fr 11 | Sa 12 | Su 13 | |
| Tmin (°F) | 50 | 48 | 50 | 39 | 42 | 50 | 53 | 53 | 50 | 48 | 46 | 44 | 42 | 44 |
| Tmax (°F) | 55 | 57 | 59 | 59 | 59 | 59 | 62 | 60 | 59 | 57 | 55 | 57 | 53 | 53 |
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| a.m. | NE 3 | NE 4 | NE 6 | E 2 | S 6 | S 11 | SW 11 | S 7 | NE 4 | E 5 | SE 7 | E 9 | E 12 | E 10 |
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| W 7 | N 4 | NE 4 | SE 2 | S 8 | SW 10 | SW 8 | SW 6 | NE 4 | E 7 | E 5 | SE 7 | E 11 | NE 9 | |
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| W 5 | NE 4 | E 4 | E 2 | SW 7 | SW 9 | SW 8 | S 4 | N 3 | NE 4 | E 6 | E 9 | E 11 | NE 8 | |
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| Precipitation (mm) | 17.8 | 2 | 0 | 0 | 0 | 12 | 18.9 | 14 | 3.3 | 5.7 | 7.8 | 0 | 0 | 0 |
| Rain risk | 65 % | 35 % | 25 % | 5 % | 25 % | 75 % | 70 % | 70 % | 55 % | 55 % | 60 % | 45 % | 40 % | 35 % |
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| Sunshine hours (hrs) | 0.0 | 1.2 | 2.9 | 8.0 | 2.3 | 0.0 | 0.0 | 0.6 | 0.6 | 1.6 | 1.1 | 2.2 | 2.7 | 1.6 |
| UV index | 1 | 2 | 2 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 2 |
| Sunrise Sunset |
07:17 18:55 |
07:19 18:52 |
07:21 18:50 |
07:22 18:48 |
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 |
Last updated: Mon 30 Sep 10:02 EDT
(Wind Speed in mph)
Wind data for guidance only, actually gusts may be considerably higher than those shown.
