| Point Forecast: 3 Miles NNW Burien WA 47.5N 122.35W (Elev. 400 ft) |
Last Update: 11:26 pm PDT May 20, 2026 |
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| Date | 05/21 | 05/22 | ||||||||||||||||||||||
| Hour (PDT) | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
| Temperature (°F) | 51 | 50 | 51 | 52 | 55 | 59 | 62 | 65 | 67 | 69 | 71 | 72 | 72 | 73 | 72 | 71 | 68 | 63 | 61 | 59 | 58 | 57 | 55 | 54 |
| Dewpoint (°F) | 47 | 46 | 47 | 47 | 48 | 49 | 50 | 50 | 50 | 50 | 49 | 49 | 48 | 49 | 48 | 49 | 49 | 48 | 48 | 47 | 48 | 48 | 48 | 48 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 2 | 2 | 3 | 3 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 2 |
| Wind Dir | NNE | NNE | NNE | NNE | N | N | N | N | NNW | NNW | NNW | NNW | NNW | NNW | N | N | N | N | N | NNE | NE | NE | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 2 | 2 | 5 | 5 | 5 | 6 | 22 | 34 | 38 | 46 | 38 | 25 | 16 | 10 | 7 | 11 | 13 | 6 | 9 | 17 | 21 | 17 | 24 | 19 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 85 | 86 | 85 | 82 | 76 | 69 | 64 | 58 | 55 | 51 | 46 | 44 | 42 | 42 | 43 | 45 | 50 | 57 | 62 | 65 | 69 | 73 | 77 | 80 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/23 | |||||||||||||||||||||||
| Hour (PDT) | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
| Temperature (°F) | 53 | 52 | 52 | 54 | 56 | 59 | 63 | 65 | 67 | 70 | 72 | 73 | 75 | 75 | 74 | 71 | 68 | 65 | 62 | 60 | 58 | 56 | 55 | 54 |
| Dewpoint (°F) | 48 | 47 | 48 | 49 | 49 | 49 | 51 | 51 | 51 | 51 | 51 | 51 | 52 | 52 | 51 | 51 | 51 | 51 | 51 | 51 | 50 | 50 | 50 | 50 |
| Heat Index (°F) | 75 | 75 | ||||||||||||||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | NNE | N | N | N | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 22 | 30 | 30 | 30 | 14 | 14 | 14 | 8 | 8 | 8 | 18 | 18 | 18 | 21 | 21 | 21 | 23 | 23 | 23 | 29 | 29 | 29 | 38 | 38 |
| 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 (%) | 83 | 84 | 85 | 82 | 76 | 69 | 65 | 60 | 56 | 52 | 48 | 46 | 45 | 44 | 45 | 49 | 54 | 60 | 65 | 71 | 76 | 80 | 83 | 86 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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