| Point Forecast: Washington Pass WA 48.51N 120.64W (Elev. 6827 ft) |
Last Update: 5:46 pm PDT May 12, 2024 |
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| Date | 05/12 | 05/13 | ||||||||||||||||||||||
| Hour (PDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 44 | 41 | 40 | 39 | 38 | 37 | 36 | 36 | 35 | 34 | 34 | 34 | 33 | 35 | 35 | 37 | 38 | 39 | 39 | 40 | 39 | 38 | 38 | 37 |
| Dewpoint (°F) | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 30 | 30 | 30 | 31 | 31 | 31 | 32 | 32 | 31 | 31 | 30 | 30 | 30 | 29 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 21 | 20 | 18 | 17 | 17 | 17 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 |
| Wind Dir | W | W | W | W | W | W | W | NW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | 31 | 30 | 28 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 28 | 28 | 28 | 28 | 28 | 28 | |||||
| Sky Cover (%) | 32 | 28 | 23 | 47 | 80 | 86 | 64 | 49 | 34 | 25 | 32 | 44 | 56 | 67 | 78 | 79 | 75 | 75 | 75 | 77 | 78 | 81 | 82 | 56 |
| Precipitation Potential (%) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 8 | 8 | 8 | 8 | 9 | 0 | 0 |
| Relative Humidity (%) | 60 | 66 | 68 | 71 | 72 | 76 | 79 | 80 | 81 | 83 | 84 | 86 | 88 | 85 | 82 | 79 | 78 | 74 | 73 | 70 | 69 | 71 | 73 | 74 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/14 | |||||||||||||||||||||||
| Hour (PDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 36 | 36 | 34 | 33 | 32 | 32 | 31 | 31 | 30 | 30 | 30 | 31 | 33 | 36 | 39 | 42 | 45 | 46 | 47 | 48 | 48 | 48 | 47 | 45 |
| Dewpoint (°F) | 29 | 30 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 29 | 30 | 30 | 29 | 29 | 30 | 30 | 30 | 31 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 21 | 21 | 21 | 21 | 17 | 17 | 17 | 14 | 14 | 14 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 13 | 13 |
| Wind Dir | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | W | W | W | W | W | W | W | W |
| Gust | 31 | 31 | 31 | 31 | 25 | 25 | 25 | |||||||||||||||||
| Sky Cover (%) | 55 | 48 | 45 | 46 | 46 | 46 | 46 | 44 | 44 | 44 | 48 | 48 | 48 | 18 | 18 | 18 | 36 | 36 | 36 | 30 | 30 | 30 | 47 | 47 |
| 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 (%) | 77 | 80 | 84 | 85 | 84 | 85 | 87 | 88 | 90 | 91 | 90 | 86 | 79 | 72 | 66 | 60 | 55 | 51 | 50 | 49 | 49 | 50 | 53 | 57 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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