| Point Forecast: South Seattle WA 47.57N 122.31W (Elev. 200 ft) |
Last Update: 3:40 pm PDT May 16, 2025 |
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| Date | 05/16 | 05/17 | ||||||||||||||||||||||
| 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) | 57 | 57 | 55 | 55 | 54 | 54 | 53 | 53 | 53 | 53 | 52 | 52 | 52 | 51 | 53 | 53 | 53 | 54 | 55 | 55 | 56 | 55 | 55 | 55 |
| Dewpoint (°F) | 52 | 53 | 52 | 52 | 51 | 52 | 51 | 52 | 52 | 52 | 51 | 51 | 52 | 50 | 52 | 52 | 51 | 51 | 52 | 51 | 52 | 51 | 52 | 51 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 7 | 6 | 6 | 6 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 2 | 2 | 2 | 6 | 6 | 6 | 9 | 9 | 9 | 7 | 7 |
| Wind Dir | SSW | S | S | S | ESE | ESE | ESE | NNW | NNW | NNW | NW | NW | NW | N | N | N | N | N | N | N | N | N | NNE | NNE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 93 | 92 | 93 | 92 | 91 | 91 | 90 | 89 | 88 | 86 | 89 | 91 | 92 | 90 | 90 | 92 | 94 | 91 | 93 | 90 | 93 | 93 | 88 | 87 |
| Precipitation Potential (%) | 43 | 55 | 64 | 64 | 69 | 82 | 85 | 78 | 74 | 58 | 70 | 65 | 66 | 62 | 69 | 70 | 42 | 51 | 69 | 81 | 89 | 89 | 69 | 69 |
| Relative Humidity (%) | 82 | 85 | 88 | 90 | 91 | 94 | 94 | 95 | 95 | 95 | 95 | 97 | 100 | 96 | 95 | 96 | 93 | 91 | 88 | 86 | 85 | 85 | 88 | 86 |
| Rain | Chc | Lkly | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Lkly | Ocnl | Ocnl | Ocnl | Lkly | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc |
| Date | 05/18 | |||||||||||||||||||||||
| 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) | 53 | 53 | 52 | 51 | 51 | 50 | 49 | 48 | 47 | 46 | 46 | 46 | 47 | 48 | 49 | 51 | 53 | 55 | 57 | 58 | 59 | 59 | 59 | 59 |
| Dewpoint (°F) | 49 | 49 | 49 | 48 | 48 | 47 | 46 | 45 | 44 | 44 | 44 | 43 | 44 | 44 | 44 | 44 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 7 | 6 | 6 | 6 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | NNE | SSE | SSE | SSE | SSE | SSE | SSE | S | S | S | SSW | SSW | SSW | SE | SE | SE | S | S | S | S | S | S | SSW | SSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 94 | 94 | 95 | 84 | 72 | 72 | 72 | 77 | 77 | 77 | 67 | 67 | 67 | 61 | 61 | 61 | 58 | 58 | 58 | 48 | 48 | 48 | 57 | 57 |
| Precipitation Potential (%) | 69 | 69 | 69 | 69 | 42 | 42 | 42 | 42 | 42 | 42 | 30 | 30 | 30 | 30 | 30 | 30 | 12 | 12 | 12 | 12 | 12 | 12 | 8 | 8 |
| Relative Humidity (%) | 87 | 87 | 89 | 89 | 88 | 88 | 89 | 90 | 91 | 91 | 91 | 90 | 89 | 86 | 82 | 78 | 73 | 69 | 66 | 63 | 61 | 60 | 60 | 61 |
| Rain | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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