| Point Forecast: Washington Pass WA 48.53N 120.65W (Elev. 1712 m) |
Last Update: 3:36 am PDT Aug 7, 2026 |
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| Date | 08/07 | 08/08 | ||||||||||||||||||||||
| Hour (PDT) | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Temperature (°C) | 13 | 15 | 18 | 20 | 22 | 22 | 22 | 23 | 22 | 22 | 22 | 19 | 16 | 14 | 13 | 13 | 12 | 12 | 11 | 10 | 10 | 9 | 9 | 10 |
| Dewpoint (°C) | 2 | 2 | 2 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 6 | 7 | 8 | 8 | 9 | 10 | 10 | 11 | 11 | 10 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 5 | 1 | 1 | 3 | 3 | 4 | 5 | 3 | 5 | 3 | 4 | 4 | 16 | 29 | 31 | 40 | 49 | 48 | 56 | 52 | 59 | 62 | 62 | 62 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 49 | 40 | 33 | 28 | 25 | 23 | 23 | 23 | 24 | 25 | 28 | 34 | 44 | 52 | 55 | 56 | 58 | 59 | 61 | 63 | 67 | 69 | 68 | 67 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/09 | |||||||||||||||||||||||
| Hour (PDT) | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Temperature (°C) | 11 | 13 | 15 | 17 | 18 | 19 | 19 | 19 | 19 | 19 | 18 | 17 | 15 | 13 | 12 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 8 | 8 |
| Dewpoint (°C) | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 34 | 34 | 34 | 71 | 71 | 71 | 84 | 84 | 84 | 48 | 48 | 48 | 22 | 22 | 22 | 22 | 22 | 22 | 12 | 12 | 12 | 16 | 16 | 16 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 61 | 53 | 46 | 39 | 35 | 32 | 32 | 32 | 32 | 32 | 34 | 40 | 48 | 54 | 59 | 62 | 64 | 65 | 66 | 68 | 71 | 71 | 69 | 65 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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