| Point Forecast: Seattle-Tacoma International Airport WA 47.44N 122.3W (Elev. 358 ft) |
Last Update: 8:34 am PDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (PDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 77 | 79 | 82 | 84 | 85 | 86 | 86 | 85 | 84 | 81 | 77 | 73 | 72 | 68 | 67 | 66 | 63 | 62 | 61 | 61 | 61 | 63 | 63 | 65 |
| Dewpoint (°F) | 55 | 56 | 57 | 55 | 54 | 54 | 54 | 54 | 56 | 57 | 59 | 58 | 58 | 57 | 56 | 56 | 55 | 55 | 54 | 54 | 54 | 54 | 55 | 57 |
| Heat Index (°F) | 77 | 79 | 82 | 83 | 84 | 84 | 84 | 84 | 83 | 81 | 77 | |||||||||||||
| Surface Wind (mph) | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 7 | 8 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | N | N | N | NNW | NNW | NNW | N | N | NNE | NNE | NE | NE | NE | NE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 25 | 6 | 7 | 5 | 6 | 5 | 6 | 7 | 9 | 13 | 9 | 16 | 21 | 26 | 31 | 35 | 37 | 37 | 54 | 54 | 75 | 78 | 85 | 75 |
| Precipitation Potential (%) | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 47 | 45 | 42 | 37 | 35 | 34 | 33 | 35 | 39 | 44 | 54 | 60 | 61 | 67 | 68 | 69 | 74 | 77 | 77 | 77 | 77 | 73 | 75 | 74 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (PDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 67 | 69 | 72 | 74 | 76 | 77 | 78 | 78 | 77 | 76 | 73 | 71 | 68 | 66 | 65 | 64 | 62 | 61 | 61 | 61 | 63 | 65 | 69 | 72 |
| Dewpoint (°F) | 57 | 56 | 56 | 55 | 55 | 55 | 55 | 56 | 55 | 56 | 56 | 56 | 55 | 55 | 54 | 54 | 53 | 53 | 53 | 53 | 53 | 53 | 55 | 55 |
| Heat Index (°F) | 76 | 77 | 78 | 78 | 77 | 76 | ||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 6 |
| Wind Dir | NNW | NNW | NNW | WNW | WNW | WNW | NNW | NNW | NNW | N | N | N | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 64 | 64 | 64 | 34 | 34 | 34 | 17 | 17 | 17 | 13 | 13 | 13 | 9 | 9 | 9 | 6 | 6 | 6 | 9 | 9 | 9 | 7 | 7 | 7 |
| 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 (%) | 69 | 64 | 58 | 52 | 48 | 46 | 45 | 46 | 47 | 50 | 55 | 60 | 64 | 67 | 68 | 70 | 73 | 75 | 76 | 74 | 71 | 66 | 61 | 56 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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