| Point Forecast: 4 Miles S Chelan WA 47.8N 120.03W (Elev. 652 m) |
Last Update: 2:06 am PDT May 16, 2026 |
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| Date | 05/16 | 05/17 | ||||||||||||||||||||||
| Hour (PDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°C) | 7 | 7 | 6 | 5 | 7 | 7 | 8 | 8 | 9 | 11 | 12 | 13 | 14 | 14 | 15 | 14 | 15 | 14 | 13 | 12 | 11 | 9 | 9 | 8 |
| Dewpoint (°C) | -1 | -1 | -1 | -2 | -1 | -1 | -1 | -1 | -2 | -1 | -1 | -2 | -2 | -3 | -2 | -3 | -3 | -4 | -3 | -3 | -2 | -2 | -1 | -1 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 8 | 8 | 7 | 7 | 8 | 9 | 10 | 9 | 9 | 9 | 11 | 13 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 13 | 11 | 10 | 9 | 9 |
| Wind Dir | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | W | W | W | W | NW | NW | NW | W | SW | W | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 19 | 29 | 21 | 32 | 56 | 60 | 48 | 55 | 65 | 47 | 68 | 57 | 24 | 21 | 17 | 9 | 8 | 7 | 17 | 26 | 31 | 20 | 27 | 37 |
| Precipitation Potential (%) | 5 | 5 | 5 | 7 | 7 | 7 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 5 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 58 | 58 | 59 | 60 | 60 | 55 | 51 | 51 | 48 | 44 | 40 | 36 | 33 | 31 | 30 | 30 | 29 | 29 | 33 | 37 | 41 | 44 | 48 | 52 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/18 | |||||||||||||||||||||||
| Hour (PDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°C) | 7 | 7 | 7 | 6 | 7 | 8 | 9 | 11 | 12 | 13 | 16 | 17 | 18 | 18 | 19 | 19 | 19 | 19 | 18 | 16 | 14 | 13 | 12 | 11 |
| Dewpoint (°C) | -2 | -1 | -1 | -1 | -1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 8 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 |
| Wind Dir | W | W | W | W | W | W | NW | NW | NW | NW | NW | NW | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 43 | 60 | 39 | 37 | 37 | 37 | 13 | 13 | 13 | 3 | 3 | 3 | 9 | 9 | 9 | 16 | 16 | 16 | 29 | 29 | 29 | 37 | 37 | 37 |
| Precipitation Potential (%) | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 |
| Relative Humidity (%) | 54 | 56 | 58 | 61 | 61 | 57 | 51 | 50 | 46 | 42 | 38 | 34 | 32 | 30 | 30 | 30 | 30 | 33 | 38 | 42 | 47 | 51 | 55 | 58 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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