| Point Forecast: Mount St Helens WA 46.18N 122.18W (Elev. 6204 ft) |
Last Update: 11:42 am PDT Jun 27, 2024 |
 |
|
[show menu] |
| Date | 06/27 | 06/28 | ||||||||||||||||||||||
| Hour (PDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 37 | 38 | 38 | 38 | 38 | 39 | 38 | 39 | 39 | 39 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 36 | 38 | 40 | 41 | 44 | 45 |
| Dewpoint (°F) | 34 | 37 | 38 | 37 | 38 | 39 | 38 | 39 | 38 | 37 | 34 | 31 | 30 | 29 | 28 | 27 | 27 | 26 | 23 | 27 | 27 | 29 | 31 | 33 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 21 | 21 | 21 | 21 | 21 | 22 | 21 | 22 | 20 | 17 | 9 | 8 | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 6 | 6 | 6 |
| Wind Dir | W | W | W | W | W | W | WNW | WNW | WNW | NW | NW | NW | NW | NW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NW | NW | NW |
| Gust | 33 | 33 | 33 | 33 | 33 | 34 | 33 | 34 | 31 | 30 | 18 | |||||||||||||
| Sky Cover (%) | 86 | 89 | 89 | 84 | 83 | 76 | 66 | 68 | 70 | 73 | 64 | 56 | 43 | 37 | 30 | 24 | 27 | 27 | 17 | 13 | 15 | 15 | 28 | 29 |
| Precipitation Potential (%) | 79 | 83 | 83 | 76 | 55 | 40 | 24 | 18 | 12 | 9 | 6 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 89 | 98 | 99 | 98 | 100 | 100 | 100 | 100 | 96 | 91 | 84 | 76 | 72 | 70 | 67 | 64 | 64 | 62 | 60 | 63 | 60 | 61 | 60 | 63 |
| Rain | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/29 | |||||||||||||||||||||||
| Hour (PDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 45 | 46 | 48 | 49 | 50 | 50 | 51 | 50 | 50 | 49 | 47 | 46 | 44 | 44 | 44 | 44 | 43 | 43 | 42 | 44 | 45 | 47 | 48 | 50 |
| Dewpoint (°F) | 34 | 36 | 38 | 40 | 41 | 41 | 42 | 41 | 40 | 40 | 38 | 36 | 34 | 33 | 33 | 32 | 31 | 30 | 29 | 30 | 31 | 33 | 34 | 36 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 7 | 7 | 7 | 10 | 10 | 10 | 9 | 9 | 9 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 |
| Wind Dir | W | W | W | W | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 29 | 29 | 29 | 35 | 35 | 35 | 45 | 45 | 45 | 60 | 60 | 60 | 55 | 55 | 55 | 42 | 42 | 42 | 28 | 28 | 28 | 58 | 58 | 58 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 65 | 67 | 70 | 72 | 72 | 71 | 71 | 71 | 70 | 70 | 69 | 68 | 67 | 66 | 64 | 63 | 62 | 60 | 59 | 58 | 58 | 57 | 58 | 59 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
