| Point Forecast: Downtown Seattle WA 47.6N 122.35W (Elev. 0 ft) |
Last Update: 11:26 am PDT Sep 13, 2026 |
 |
|
[show menu] |
| 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 (°F) | 62 | 62 | 60 | 60 | 59 | 59 | 59 | 58 | 58 | 57 | 57 | 57 | 55 | 57 | 57 | 57 | 58 | 60 | 61 | 62 | 64 | 64 | 65 | 66 |
| Dewpoint (°F) | 57 | 57 | 55 | 55 | 55 | 55 | 55 | 55 | 54 | 54 | 54 | 54 | 53 | 54 | 54 | 53 | 54 | 54 | 54 | 54 | 55 | 54 | 55 | 55 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 15 | 16 | 18 | 18 | 18 | 17 | 16 | 14 | 13 | 13 | 7 | 7 | 6 | 6 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 3 | 2 | 2 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SSW | SSW | S | SSW | S | S |
| Gust | 22 | 23 | 22 | 22 | 20 | |||||||||||||||||||
| Sky Cover (%) | 64 | 46 | 45 | 54 | 48 | 54 | 63 | 75 | 81 | 78 | 82 | 76 | 82 | 89 | 73 | 60 | 73 | 79 | 74 | 51 | 50 | 47 | 40 | 40 |
| Precipitation Potential (%) | 5 | 3 | 4 | 3 | 6 | 6 | 7 | 8 | 4 | 8 | 4 | 3 | 4 | 4 | 3 | 3 | 2 | 2 | 3 | 2 | 2 | 2 | 0 | 0 |
| Relative Humidity (%) | 85 | 83 | 84 | 85 | 86 | 86 | 87 | 89 | 88 | 89 | 90 | 90 | 92 | 91 | 90 | 88 | 85 | 82 | 79 | 76 | 73 | 71 | 69 | 67 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 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 (°F) | 64 | 64 | 61 | 60 | 59 | 59 | 58 | 57 | 57 | 57 | 56 | 56 | 55 | 55 | 55 | 56 | 57 | 59 | 60 | 62 | 63 | 65 | 65 | 65 |
| Dewpoint (°F) | 54 | 56 | 54 | 54 | 54 | 54 | 54 | 53 | 53 | 53 | 53 | 53 | 52 | 52 | 52 | 53 | 53 | 54 | 55 | 56 | 56 | 56 | 56 | 56 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 5 | 5 | 7 | 7 | 7 | 8 | 8 |
| Wind Dir | S | N | N | N | N | N | N | NNE | NNE | NNE | NE | NE | NE | N | N | N | N | N | N | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 40 | 55 | 55 | 55 | 52 | 52 | 52 | 76 | 76 | 76 | 78 | 78 | 78 | 83 | 83 | 83 | 71 | 71 | 71 | 45 | 45 | 45 | 14 | 14 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 10 | 10 | 10 | 10 | 10 | 10 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 1 |
| Relative Humidity (%) | 70 | 74 | 77 | 80 | 82 | 83 | 85 | 87 | 87 | 87 | 89 | 89 | 90 | 90 | 90 | 89 | 87 | 85 | 83 | 81 | 78 | 75 | 73 | 72 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| ||||||||