| Point Forecast: 9 Miles SSE Mount St Helens WA 46.09N 122.09W (Elev. 2828 ft) |
Last Update: 3:41 pm PDT Jun 9, 2024 |
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| Date | 06/09 | 06/10 | ||||||||||||||||||||||
| Hour (PDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 65 | 64 | 64 | 62 | 59 | 56 | 53 | 52 | 51 | 49 | 47 | 46 | 46 | 44 | 46 | 46 | 48 | 51 | 54 | 57 | 60 | 62 | 63 | 64 |
| Dewpoint (°F) | 52 | 50 | 51 | 50 | 48 | 46 | 45 | 45 | 44 | 43 | 41 | 41 | 40 | 38 | 40 | 38 | 39 | 40 | 40 | 40 | 42 | 43 | 43 | 43 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 11 | 13 | 11 | 10 | 9 | 8 | 6 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 6 | 6 | 6 | 7 | 7 |
| Wind Dir | W | W | W | W | W | W | W | W | W | WNW | W | W | W | W | WNW | W | WSW | WSW | WSW | W | WSW | W | W | WSW |
| Gust | 18 | |||||||||||||||||||||||
| Sky Cover (%) | 16 | 17 | 13 | 10 | 11 | 10 | 11 | 7 | 6 | 14 | 8 | 29 | 30 | 28 | 34 | 18 | 10 | 12 | 2 | 0 | 0 | 5 | 7 | 3 |
| Precipitation Potential (%) | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 63 | 60 | 62 | 65 | 68 | 70 | 73 | 76 | 76 | 79 | 81 | 81 | 79 | 79 | 79 | 74 | 72 | 66 | 60 | 53 | 51 | 50 | 48 | 46 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/11 | |||||||||||||||||||||||
| Hour (PDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 65 | 65 | 66 | 64 | 63 | 60 | 58 | 56 | 54 | 53 | 51 | 50 | 50 | 49 | 50 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 57 |
| Dewpoint (°F) | 43 | 43 | 44 | 46 | 48 | 45 | 44 | 44 | 43 | 42 | 40 | 41 | 41 | 41 | 41 | 41 | 42 | 42 | 42 | 42 | 44 | 45 | 47 | 46 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 7 | 7 | 5 | 5 | 5 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 7 | 7 | 7 | 9 | 9 |
| Wind Dir | W | W | W | W | W | W | W | NNW | NNW | NNW | NW | NW | NW | W | W | W | WSW | WSW | WSW | WSW | WSW | WSW | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 6 | 32 | 32 | 32 | 40 | 40 | 40 | 27 | 27 | 27 | 12 | 12 | 12 | 22 | 22 | 22 | 51 | 51 | 51 | 71 | 71 | 71 | 54 | 54 |
| Precipitation Potential (%) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 |
| Relative Humidity (%) | 45 | 44 | 45 | 51 | 58 | 57 | 59 | 64 | 65 | 66 | 67 | 69 | 71 | 73 | 72 | 71 | 70 | 68 | 65 | 63 | 65 | 68 | 70 | 66 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
