| Point Forecast: 6 Miles SE Issaquah WA 47.47N 121.93W (Elev. 575 m) |
Last Update: 11:26 am PDT Sep 13, 2026 |
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| Date | 09/13 | 09/14 | ||||||||||||||||||||||
| Hour (PDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°C) | 11 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 10 | 11 | 12 | 12 | 13 | 14 | 14 | 15 | 14 |
| Dewpoint (°C) | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 11 | 12 | 11 | 11 | 11 | 11 | 12 | 11 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 7 | 8 | 10 | 11 | 10 | 11 | 10 | 9 | 9 | 8 | 7 | 7 | 6 | 6 | 3 | 2 | 2 | 1 | 1 | 2 | 1 | 1 | 1 | 1 |
| Wind Dir | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | WSW | WSW | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 90 | 90 | 90 | 91 | 90 | 89 | 86 | 87 | 86 | 84 | 86 | 86 | 82 | 82 | 82 | 74 | 72 | 67 | 54 | 67 | 47 | 55 | 52 | 52 |
| Precipitation Potential (%) | 32 | 26 | 20 | 16 | 16 | 18 | 15 | 11 | 6 | 10 | 6 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 4 | 2 | 2 | 0 | 0 |
| Relative Humidity (%) | 100 | 100 | 100 | 98 | 99 | 98 | 97 | 96 | 96 | 97 | 97 | 97 | 100 | 100 | 100 | 100 | 100 | 100 | 94 | 87 | 83 | 79 | 79 | 83 |
| Rain | Chc | Chc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/15 | |||||||||||||||||||||||
| Hour (PDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°C) | 13 | 12 | 11 | 11 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 11 | 12 | 13 | 14 | 15 | 16 | 16 | 14 |
| Dewpoint (°C) | 11 | 11 | 9 | 9 | 9 | 8 | 9 | 9 | 9 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 12 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 |
| Wind Dir | W | E | E | E | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | NE | NE | NE | NW | NW | NW | NNW | NNW | NNW | NNW | NNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 52 | 55 | 55 | 55 | 74 | 74 | 74 | 64 | 64 | 64 | 67 | 67 | 67 | 76 | 76 | 76 | 65 | 65 | 65 | 58 | 58 | 58 | 40 | 40 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 1 | 1 |
| Relative Humidity (%) | 86 | 93 | 93 | 93 | 95 | 93 | 92 | 92 | 93 | 94 | 94 | 95 | 97 | 100 | 100 | 100 | 100 | 97 | 93 | 89 | 86 | 83 | 83 | 87 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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