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| Point Forecast: Downtown Seattle WA 47.61N 122.32W (Elev. 73 m) |
Last Update: 9:31 pm PDT Aug 13, 2020 |
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| Date | 08/13 | 08/14 | ||||||||||||||||||||||
| Hour (PDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°C) | 17 | 16 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 16 | 17 | 19 | 20 | 22 | 23 | 23 | 24 | 24 | 24 | 23 | 22 | 20 |
| Dewpoint (°C) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 |
| Heat Index (°C) | 24 | 24 | 24 | |||||||||||||||||||||
| Surface Wind (mph) | 5 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Wind Dir | NE | ENE | ENE | NE | NE | NE | NE | NE | NE | NE | N | N | N | NNW | NNW | NNW | NNW | NNW | NNW | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 1 | 0 | 1 | 1 | 3 | 0 | 4 | 1 | 2 | 2 | 6 | 7 | 1 | 6 | 8 | 10 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| 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 (%) | 62 | 67 | 69 | 69 | 71 | 73 | 75 | 76 | 77 | 76 | 74 | 69 | 64 | 61 | 57 | 51 | 48 | 46 | 45 | 45 | 44 | 46 | 53 | 59 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/15 | |||||||||||||||||||||||
| Hour (PDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°C) | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 19 | 21 | 23 | 24 | 26 | 27 | 27 | 27 | 26 | 25 | 24 | 23 |
| Dewpoint (°C) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Heat Index (°C) | 24 | 26 | 27 | 27 | 27 | 26 | 25 | 24 | ||||||||||||||||
| Surface Wind (mph) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 6 | 6 | 6 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 7 | 7 |
| Wind Dir | N | NNE | NNE | NNE | NNE | NNE | NNE | NE | NE | NE | NNE | NNE | NNE | N | N | N | NNW | NNW | NNW | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 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 (%) | 64 | 68 | 70 | 72 | 73 | 76 | 79 | 80 | 80 | 78 | 75 | 71 | 66 | 61 | 56 | 52 | 49 | 47 | 46 | 46 | 48 | 50 | 54 | 58 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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