| Point Forecast: Seattle-Tacoma International Airport WA 47.44N 122.3W (Elev. 109 m) |
Last Update: 9:40 pm PDT Jun 1, 2024 |
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| Date | 06/01 | 06/02 | ||||||||||||||||||||||
| Hour (PDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°C) | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 |
| Dewpoint (°C) | 10 | 11 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 11 | 13 | 13 | 13 | 14 | 15 | 16 | 16 | 16 | 17 | 17 | 17 |
| Wind Dir | SSW | SSW | SSW | SSW | S | S | S | SSW | S | S | S | S | S | S | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 64 | 58 | 77 | 81 | 80 | 87 | 94 | 94 | 94 | 94 | 95 | 93 | 93 | 97 | 98 | 99 | 99 | 100 | 96 | 96 | 96 | 97 | 94 | 93 |
| Precipitation Potential (%) | 5 | 5 | 8 | 14 | 19 | 23 | 23 | 37 | 39 | 49 | 59 | 81 | 89 | 95 | 97 | 98 | 98 | 100 | 94 | 92 | 93 | 91 | 91 | 86 |
| Relative Humidity (%) | 78 | 82 | 83 | 83 | 88 | 88 | 85 | 90 | 90 | 86 | 88 | 88 | 88 | 91 | 89 | 89 | 88 | 87 | 86 | 88 | 88 | 88 | 90 | 89 |
| Rain | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/03 | |||||||||||||||||||||||
| Hour (PDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°C) | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 |
| Dewpoint (°C) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 8 | 8 | 7 | 7 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 13 | 13 | 13 | 11 | 11 | 11 | 10 | 10 | 10 | 14 | 14 | 14 | 16 | 16 | 16 | 17 | 17 | 17 | 15 | 15 | 15 | 14 | 14 | 14 |
| Wind Dir | SSW | SSW | SSW | S | S | S | S | S | S | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SSW | SSW | SSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 99 | 99 | 99 | 99 | 99 | 99 | 94 | 94 | 94 | 94 | 94 | 94 | 73 | 73 | 73 | 73 | 73 | 73 | 66 | 66 | 66 | 80 | 80 | 80 |
| Precipitation Potential (%) | 98 | 98 | 98 | 98 | 98 | 98 | 91 | 91 | 91 | 91 | 91 | 91 | 59 | 59 | 59 | 59 | 59 | 59 | 49 | 49 | 49 | 49 | 49 | 49 |
| Relative Humidity (%) | 87 | 87 | 88 | 89 | 90 | 90 | 90 | 89 | 88 | 86 | 83 | 79 | 76 | 73 | 71 | 69 | 67 | 65 | 65 | 67 | 70 | 73 | 74 | 75 |
| Rain | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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