| Point Forecast: Washington Pass WA 48.52N 120.68W (Elev. 5397 ft) |
Last Update: 9:36 pm PDT Aug 12, 2026 |
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| Date | 08/12 | 08/13 | ||||||||||||||||||||||
| Hour (PDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 52 | 51 | 50 | 50 | 49 | 48 | 48 | 47 | 46 | 48 | 52 | 57 | 60 | 63 | 65 | 66 | 67 | 65 | 63 | 62 | 58 | 56 | 54 | 53 |
| Dewpoint (°F) | 44 | 43 | 41 | 40 | 39 | 38 | 37 | 38 | 39 | 42 | 43 | 45 | 44 | 46 | 45 | 46 | 47 | 47 | 48 | 49 | 49 | 50 | 47 | 45 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 |
| Wind Dir | N | N | N | N | N | N | N | N | N | N | NE | NE | NE | NE | NE | NE | NE | NE | NE | E | S | SW | W | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 71 | 48 | 56 | 51 | 47 | 48 | 40 | 33 | 15 | 11 | 9 | 8 | 63 | 63 | 63 | 63 | 68 | 63 | 67 | 67 | 69 | 80 | 74 | 67 |
| Precipitation Potential (%) | 9 | 9 | 9 | 9 | 9 | 9 | 1 | 1 | 1 | 1 | 1 | 1 | 44 | 44 | 44 | 44 | 44 | 44 | 50 | 50 | 50 | 50 | 50 | 50 |
| Relative Humidity (%) | 74 | 73 | 71 | 69 | 68 | 68 | 67 | 71 | 75 | 79 | 73 | 63 | 56 | 53 | 49 | 49 | 49 | 52 | 58 | 62 | 71 | 79 | 76 | 74 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- |
| Date | 08/14 | |||||||||||||||||||||||
| Hour (PDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 53 | 52 | 51 | 51 | 50 | 49 | 49 | 48 | 47 | 49 | 51 | 54 | 58 | 60 | 62 | 62 | 62 | 63 | 61 | 60 | 57 | 54 | 52 | 51 |
| Dewpoint (°F) | 43 | 42 | 41 | 40 | 39 | 39 | 38 | 39 | 41 | 45 | 47 | 48 | 49 | 50 | 50 | 51 | 52 | 54 | 52 | 51 | 50 | 49 | 47 | 44 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 2 |
| Wind Dir | NW | NE | NE | NE | NE | E | SE | SE | SE | SE | SE | SE | S | S | S | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 63 | 55 | 45 | 41 | 42 | 36 | 51 | 51 | 51 | 51 | 51 | 51 | 88 | 88 | 88 | 88 | 88 | 88 | 40 | 40 | 40 | 42 | 42 | 42 |
| Precipitation Potential (%) | 15 | 15 | 15 | 15 | 15 | 15 | 27 | 27 | 27 | 27 | 27 | 27 | 81 | 81 | 81 | 81 | 81 | 81 | 21 | 21 | 21 | 21 | 21 | 21 |
| Relative Humidity (%) | 70 | 69 | 68 | 66 | 66 | 67 | 66 | 71 | 78 | 86 | 86 | 80 | 73 | 69 | 66 | 68 | 70 | 72 | 72 | 71 | 76 | 82 | 82 | 79 |
| Rain | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | SChc | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- |
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