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Porthmadog (52° 55' N/4° 07' W)
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| Th 03 | 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 | |
| Tmin (°F) | 39 | 41 | 48 | 51 | 48 | 50 | 50 | 50 | 50 | 44 | 41 | 44 | 44 | 48 |
| Tmax (°F) | 59 | 59 | 60 | 59 | 62 | 60 | 59 | 55 | 53 | 53 | 55 | 55 | 57 | 59 |
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| a.m. | E 5 | S 8 | S 11 | S 10 | S 10 | S 9 | S 10 | SW 26 | SW 22 | W 14 | E 4 | W 6 | SW 8 | S 9 |
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| S 6 | S 12 | SE 15 | SW 12 | S 14 | S 12 | SE 14 | SW 30 | W 19 | W 14 | E 3 | SW 8 | S 10 | S 12 | |
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| E 4 | S 9 | S 17 | S 6 | S 10 | S 8 | N 17 | W 31 | W 13 | SW 4 | NE 4 | SW 6 | SW 11 | SW 8 | |
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| Precipitation (mm) | 0 | 0 | 5.1 | 4.9 | 5.6 | 9.8 | 14.5 | 31.7 | 38.3 | 6.9 | 2.1 | 0.6 | 4.4 | 7.3 |
| Rain risk | 10 % | 20 % | 35 % | 70 % | 60 % | 60 % | 60 % | 80 % | 90 % | 60 % | 35 % | 55 % | 40 % | 60 % |
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| Sunshine hours (hrs) | 6.9 | 1.7 | 2.3 | 1.1 | 2.8 | 1.1 | 0.0 | 0.5 | 0.0 | 1.6 | 2.1 | 1.1 | 0.5 | 1.1 |
| UV index | 3 | 3 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 2 | 2 | 2 |
| Sunrise Sunset |
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 |
07:42 18:22 |
07:44 18:20 |
07:45 18:18 |
Last updated: Wed 02 Oct 17:29 EDT
(Wind Speed in )
Wind data for guidance only, actually gusts may be considerably higher than those shown.
