| Point Forecast: 11 Miles NNW Snoqualmie Pass WA 47.54N 121.54W (Elev. 1286 ft) |
Last Update: 3:40 pm PDT May 18, 2024 |
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| Date | 05/18 | 05/19 | ||||||||||||||||||||||
| 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 | 43 | 41 | 41 | 41 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 42 | 42 | 43 | 45 | 46 | 48 | 49 | 49 | 50 | 50 |
| Dewpoint (°F) | 40 | 39 | 37 | 36 | 37 | 36 | 36 | 37 | 36 | 37 | 37 | 37 | 37 | 37 | 38 | 39 | 40 | 41 | 42 | 42 | 42 | 42 | 42 | 42 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 |
| Wind Dir | WNW | W | W | W | WNW | W | W | W | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W | W | WNW | WNW | WNW | WNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 88 | 75 | 78 | 78 | 79 | 85 | 79 | 90 | 86 | 86 | 84 | 87 | 86 | 82 | 79 | 80 | 78 | 82 | 78 | 73 | 80 | 72 | 64 | 61 |
| Precipitation Potential (%) | 44 | 34 | 27 | 19 | 17 | 18 | 19 | 23 | 27 | 29 | 38 | 35 | 39 | 37 | 33 | 29 | 29 | 30 | 29 | 30 | 19 | 13 | 6 | 5 |
| Relative Humidity (%) | 86 | 84 | 86 | 83 | 85 | 85 | 86 | 89 | 87 | 89 | 90 | 90 | 89 | 90 | 87 | 89 | 89 | 87 | 86 | 80 | 77 | 77 | 75 | 75 |
| Rain | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | -- | -- | -- |
| Thunder | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/20 | |||||||||||||||||||||||
| 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) | 49 | 48 | 45 | 44 | 42 | 41 | 41 | 41 | 40 | 40 | 40 | 41 | 42 | 44 | 46 | 49 | 51 | 53 | 54 | 55 | 56 | 57 | 57 | 57 |
| Dewpoint (°F) | 42 | 41 | 38 | 38 | 36 | 35 | 35 | 35 | 35 | 34 | 34 | 35 | 36 | 37 | 38 | 41 | 42 | 43 | 43 | 43 | 43 | 43 | 43 | 43 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 5 | 5 | 7 | 7 | 7 | 6 | 6 |
| Wind Dir | WNW | WNW | WNW | WNW | NNW | NNW | NNW | N | N | N | NNE | NNE | NNE | NW | NW | NW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 53 | 40 | 24 | 13 | 16 | 16 | 16 | 23 | 23 | 23 | 36 | 36 | 36 | 42 | 42 | 42 | 40 | 40 | 40 | 42 | 42 | 42 | 32 | 32 |
| Precipitation Potential (%) | 4 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Relative Humidity (%) | 76 | 77 | 77 | 79 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 79 | 77 | 75 | 74 | 73 | 72 | 70 | 67 | 64 | 62 | 60 | 60 | 61 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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