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Porthmadog (52° 55' N/4° 07' W)
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| Su 11 | Mo 12 | Tu 13 | We 14 | Th 15 | Fr 16 | Sa 17 | Su 18 | Mo 19 | Tu 20 | We 21 | Th 22 | Fr 23 | Sa 24 | |
| Tmin (°F) | 51 | 62 | 53 | 48 | 55 | 55 | 53 | 51 | 53 | 51 | 53 | 51 | 50 | 51 |
| Tmax (°F) | 78 | 69 | 64 | 64 | 62 | 64 | 62 | 62 | 62 | 60 | 60 | 62 | 62 | 64 |
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| a.m. | SE 4 | W 4 | SW 9 | SW 6 | SW 11 | W 7 | SW 8 | SW 7 | SW 10 | SW 8 | SW 12 | W 9 | SW 8 | SW 7 |
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| S 8 | SW 5 | SW 10 | SW 11 | SW 11 | SW 9 | SW 10 | SW 10 | SW 12 | SW 12 | SW 10 | SW 9 | SW 9 | S 9 | |
| Gusts (knots) | 32 | |||||||||||||
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| E 5 | SW 6 | W 4 | SW 11 | SW 8 | SW 6 | SW 8 | SW 9 | SW 9 | SW 10 | SW 8 | SW 6 | S 8 | S 8 | |
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| Precipitation (mm) | 0.7 | 10.7 | 2.8 | 1.5 | 18.5 | 1.8 | 3.1 | 4.3 | 5.7 | 17.4 | 13.8 | 2.7 | 2.6 | 8.6 |
| Rain risk | 20 % | 55 % | 80 % | 55 % | 85 % | 45 % | 55 % | 65 % | 60 % | 80 % | 80 % | 55 % | 55 % | 65 % |
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| Sunshine hours (hrs) | 9.0 | 4.5 | 0.7 | 11.8 | 1.5 | 4.4 | 4.4 | 4.4 | 5.1 | 2.2 | 2.2 | 5.0 | 3.6 | 2.8 |
| UV index | 6 | 4 | 3 | 6 | 4 | 4 | 4 | 4 | 5 | 3 | 4 | 5 | 4 | 4 |
| Sunrise Sunset |
05:52 20:50 |
05:54 20:48 |
05:55 20:46 |
05:57 20:44 |
05:59 20:42 |
06:00 20:40 |
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 |
Last updated: Sun 11 Aug 02:19 EDT
(Wind Speed in knots)
Wind data for guidance only, actually gusts may be considerably higher than those shown.
