| Point Forecast: Ellensburg WA 47N 120.56W (Elev. 1545 ft) |
Last Update: 3:00 pm PDT Sep 15, 2026 |
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| Date | 09/15 | 09/16 | ||||||||||||||||||||||
| Hour (PDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°F) | 56 | 52 | 51 | 50 | 49 | 48 | 47 | 46 | 45 | 44 | 44 | 43 | 47 | 50 | 56 | 60 | 63 | 65 | 68 | 69 | 69 | 71 | 68 | 65 |
| Dewpoint (°F) | 52 | 50 | 49 | 49 | 48 | 48 | 46 | 46 | 45 | 44 | 44 | 43 | 47 | 49 | 51 | 52 | 53 | 53 | 52 | 51 | 50 | 50 | 51 | 51 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 |
| Wind Dir | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | N | NW | N | N | NW | SE | SE | E | E | E | E | E | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 57 | 31 | 19 | 15 | 12 | 9 | 10 | 13 | 8 | 3 | 2 | 7 | 3 | 1 | 1 | 2 | 2 | 0 | 0 | 0 | 1 | 10 | 10 | 10 |
| Precipitation Potential (%) | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 88 | 93 | 94 | 95 | 97 | 99 | 98 | 99 | 100 | 100 | 100 | 100 | 100 | 95 | 83 | 74 | 70 | 64 | 57 | 53 | 51 | 48 | 54 | 61 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/17 | |||||||||||||||||||||||
| Hour (PDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°F) | 61 | 56 | 55 | 53 | 52 | 51 | 50 | 49 | 48 | 48 | 47 | 47 | 49 | 54 | 59 | 65 | 69 | 72 | 74 | 76 | 77 | 77 | 74 | 70 |
| Dewpoint (°F) | 50 | 47 | 47 | 45 | 44 | 43 | 42 | 41 | 40 | 40 | 39 | 40 | 42 | 45 | 47 | 49 | 50 | 50 | 49 | 49 | 49 | 51 | 53 | 53 |
| Heat Index (°F) | 76 | 77 | 77 | |||||||||||||||||||||
| Surface Wind (mph) | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
| Wind Dir | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | N | N | N | N | N | N | N | N | N | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 10 | 10 | 10 | 10 | 10 | 10 | 12 | 12 | 12 | 5 | 5 | 5 | 6 | 6 | 6 | 3 | 3 | 3 | 2 | 2 | 2 | 9 | 9 | 9 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
| Relative Humidity (%) | 68 | 72 | 73 | 73 | 74 | 74 | 75 | 75 | 75 | 75 | 75 | 77 | 77 | 72 | 64 | 56 | 50 | 45 | 42 | 39 | 38 | 40 | 47 | 55 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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