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Porthmadog (52° 55' N/4° 07' W)
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| We 17 | Th 18 | Fr 19 | Sa 20 | Su 21 | Mo 22 | Tu 23 | We 24 | Th 25 | Fr 26 | Sa 27 | Su 28 | Mo 29 | Tu 30 | |
| Tmin (°F) | 53 | 57 | 59 | 60 | 51 | 57 | 55 | 50 | 59 | 53 | 51 | 51 | 53 | 53 |
| Tmax (°F) | 66 | 66 | 66 | 66 | 64 | 64 | 66 | 64 | 66 | 64 | 64 | 66 | 64 | 66 |
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| a.m. | SW 14 | SW 14 | SW 12 | SW 9 | SW 6 | SW 15 | NW 9 | SW 16 | SW 11 | SW 14 | SW 10 | SW 9 | SE 11 | SW 10 |
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| SW 14 | SW 13 | SW 16 | SW 10 | SW 13 | SW 13 | W 10 | SW 15 | SW 14 | SW 16 | SW 13 | SW 11 | SW 12 | SW 12 | |
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| SW 10 | SW 10 | SW 10 | W 7 | SW 13 | W 9 | SW 8 | SW 13 | SW 14 | SW 11 | SW 9 | SE 8 | S 10 | SW 10 | |
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| Precipitation (mm) | 0 | 2.3 | 2 | 10 | 0.9 | 7.8 | 0 | 2.5 | 4.6 | 0 | 0 | 0 | 1.8 | 0 |
| Rain risk | 35 % | 55 % | 55 % | 85 % | 40 % | 75 % | 40 % | 55 % | 65 % | 45 % | 30 % | 25 % | 55 % | 35 % |
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| Sunshine hours (hrs) | 5.7 | 4.1 | 1.6 | 0.0 | 6.5 | 1.6 | 7.2 | 3.2 | 2.4 | 7.2 | 7.1 | 5.5 | 2.4 | 7.8 |
| UV index | 5 | 5 | 4 | 3 | 5 | 4 | 5 | 4 | 4 | 6 | 5 | 6 | 4 | 6 |
| Sunrise Sunset |
05:13 21:32 |
05:14 21:31 |
05:16 21:30 |
05:17 21:28 |
05:19 21:27 |
05:20 21:26 |
05:22 21:24 |
05:23 21:23 |
05:25 21:21 |
05:26 21:20 |
05:28 21:18 |
05:29 21:16 |
05:31 21:15 |
05:32 21:13 |
Last updated: Wed 17 Jul 14:05 EDT
(Wind Speed in km/h)
Wind data for guidance only, actually gusts may be considerably higher than those shown.
