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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) | 55 | 53 | 59 | 53 | 59 | 55 | 51 | 51 | 59 | 53 | 57 | 57 | 53 | 59 |
| Tmax (°F) | 62 | 62 | 62 | 60 | 62 | 60 | 60 | 62 | 62 | 62 | 64 | 66 | 68 | 68 |
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| a.m. | SW 4 | SW 5 | SW 4 | SW 5 | SW 8 | SW 8 | SW 7 | SW 5 | SW 7 | SW 4 | SW 5 | SW 4 | SW 2 | SW 3 |
| Gusts (m/s) | 16 | |||||||||||||
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| SW 4 | S 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SW 5 | SW 5 | SW 4 | SW 4 | SW 4 | |
| Gusts (m/s) | 16 | 16 | 16 | |||||||||||
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| SW 3 | SW 6 | SW 7 | SW 6 | SW 5 | SW 4 | SW 5 | SW 6 | W 4 | SW 4 | SW 4 | SW 3 | SW 4 | SW 3 | |
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| Precipitation (mm) | 0 | 12 | 14 | 3.5 | 14.3 | 19.1 | 12.2 | 11.2 | 12 | 1.3 | 5.4 | 4.8 | 1.5 | 0 |
| Rain risk | 45 % | 95 % | 70 % | 65 % | 95 % | 90 % | 65 % | 80 % | 85 % | 60 % | 70 % | 55 % | 45 % | 40 % |
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| Sunshine hours (hrs) | 5.1 | 0.0 | 5.8 | 3.6 | 1.4 | 4.3 | 5.7 | 2.1 | 2.1 | 2.8 | 1.4 | 3.5 | 3.4 | 5.5 |
| UV index | 5 | 3 | 5 | 3 | 3 | 4 | 4 | 3 | 3 | 4 | 3 | 4 | 4 | 5 |
| 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: Sun 18 Aug 03:13 EDT
(Wind Speed in m/s)
Wind data for guidance only, actually gusts may be considerably higher than those shown.
