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Porthmadog (52° 55' N/4° 07' W)
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| Sa 17 | 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 | |
| Tmin (°F) | 55 | 50 | 55 | 59 | 51 | 59 | 60 | 50 | 51 | 51 | 51 | 53 | 51 | 50 |
| Tmax (°F) | 64 | 62 | 62 | 62 | 60 | 62 | 66 | 60 | 62 | 62 | 66 | 66 | 64 | 66 |
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| a.m. | SW 8 | SW 7 | SW 9 | SW 10 | SW 11 | SW 13 | SW 17 | SW 12 | SW 11 | SW 7 | SW 5 | SW 5 | SW 9 | SW 8 |
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| SW 11 | SW 10 | S 13 | SW 14 | SW 14 | SW 15 | SW 15 | SW 16 | SW 11 | SW 8 | SW 7 | SW 9 | SW 10 | SW 11 | |
| Gusts (mph) | 37 | |||||||||||||
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| SW 8 | SW 8 | SW 13 | W 10 | SW 12 | SW 15 | SW 10 | SW 11 | SW 9 | SW 5 | SW 6 | SW 6 | SW 7 | SW 7 | |
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| Precipitation (mm) | 0 | 0.1 | 12.3 | 10.9 | 9.1 | 14.3 | 13.7 | 1.8 | 0.3 | 0 | 0 | 0 | 0 | 0 |
| Rain risk | 45 % | 55 % | 95 % | 90 % | 85 % | 90 % | 90 % | 65 % | 55 % | 45 % | 40 % | 35 % | 40 % | 45 % |
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| Sunshine hours (hrs) | 6.6 | 7.3 | 0.0 | 5.0 | 2.2 | 0.7 | 3.6 | 6.4 | 5.6 | 2.8 | 4.2 | 4.9 | 6.2 | 7.6 |
| UV index | 4 | 5 | 2 | 5 | 3 | 3 | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 5 |
| Sunrise Sunset |
06:02 20:38 |
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 |
Last updated: Sat 17 Aug 04:40 EDT
(Wind Speed in mph)
Wind data for guidance only, actually gusts may be considerably higher than those shown.
