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Porthmadog (52° 55' N/4° 07' W)
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| Su 18 | Mo 19 | Tu 20 | We 21 | Th 22 | Fr 23 | Sa 24 | Su 25 | Mo 26 | Tu 27 | We 28 | Th 29 | Fr 30 | Sa 31 | |
| Tmin (°F) | 51 | 53 | 59 | 51 | 59 | 59 | 51 | 51 | 55 | 53 | 53 | 57 | 53 | 59 |
| Tmax (°F) | 62 | 62 | 62 | 60 | 62 | 62 | 60 | 60 | 62 | 62 | 64 | 66 | 66 | 66 |
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| a.m. | SW 8 | SW 10 | SW 11 | SW 13 | SW 17 | SW 20 | SW 13 | SW 13 | SW 11 | W 8 | SW 8 | SW 10 | SW 9 | W 9 |
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| SW 10 | S 14 | SW 15 | SW 14 | SW 15 | SW 16 | SW 16 | SW 14 | SW 10 | W 9 | SW 10 | SW 10 | SW 11 | SW 9 | |
| Gusts (mph) | 37 | |||||||||||||
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| SW 8 | SW 11 | W 12 | SW 15 | SW 13 | SW 11 | SW 11 | SW 12 | SW 8 | SW 5 | SW 7 | SW 7 | SW 10 | SW 7 | |
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| Precipitation (mm) | 0 | 11.4 | 12.4 | 10.2 | 20 | 18.7 | 8.8 | 8.6 | 8.1 | 2.4 | 1 | 2.4 | 3.1 | 7.5 |
| Rain risk | 40 % | 95 % | 80 % | 90 % | 95 % | 90 % | 65 % | 75 % | 60 % | 55 % | 55 % | 60 % | 60 % | 65 % |
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| Sunshine hours (hrs) | 5.8 | 0.0 | 5.8 | 2.2 | 0.7 | 4.3 | 4.9 | 3.5 | 2.1 | 2.8 | 2.1 | 2.8 | 4.1 | 3.4 |
| UV index | 5 | 2 | 5 | 3 | 3 | 4 | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 4 |
| Sunrise Sunset |
06:04 20:36 |
06:05 20:33 |
06:07 20:31 |
06:09 20:29 |
06:10 20:27 |
06:12 20:25 |
06:14 20:22 |
06:15 20:20 |
06:17 20:18 |
06:19 20:16 |
06:20 20:13 |
06:22 20:11 |
06:24 20:09 |
06:25 20:06 |
Last updated: Sat 17 Aug 17:24 EDT
(Wind Speed in mph)
Wind data for guidance only, actually gusts may be considerably higher than those shown.
