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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 | 41 | 42 | 51 | 51 | 48 | 46 | 46 | 46 | 41 | 39 | 39 |
| Tmax (°F) | 55 | 57 | 59 | 59 | 59 | 59 | 59 | 57 | 57 | 53 | 51 | 53 | 53 | 53 |
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| a.m. | NE 3 | NE 4 | NE 5 | E 2 | SW 7 | SW 11 | SW 13 | SW 6 | NE 6 | NW 8 | NW 9 | E 6 | E 3 | E 4 |
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| W 7 | N 4 | NE 4 | SE 2 | S 8 | SW 11 | SW 11 | SW 6 | N 7 | NW 8 | N 8 | E 5 | NE 5 | E 5 | |
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| W 6 | NE 4 | E 4 | SE 2 | S 7 | SW 9 | SW 10 | SE 3 | N 4 | N 8 | N 6 | NE 4 | NE 4 | E 7 | |
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| Precipitation (mm) | 20.2 | 1.2 | 0 | 0 | 1.4 | 17.8 | 21.4 | 5.3 | 10.6 | 11.3 | 11.3 | 0 | 0 | 0 |
| Rain risk | 70 % | 25 % | 30 % | 5 % | 30 % | 80 % | 80 % | 60 % | 55 % | 55 % | 70 % | 40 % | 20 % | 20 % |
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| Sunshine hours (hrs) | 0.0 | 0.6 | 2.9 | 7.4 | 2.8 | 0.0 | 0.6 | 1.1 | 0.6 | 1.1 | 1.6 | 2.7 | 3.2 | 2.1 |
| UV index | 1 | 2 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 |
| 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 05:08 EDT
(Wind Speed in mph)
Wind data for guidance only, actually gusts may be considerably higher than those shown.
