| Point Forecast: 3 Miles S Mount St Helens WA 46.14N 122.2W (Elev. 2956 ft) |
Last Update: 3:41 pm PDT Jun 19, 2024 |
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| Date | 06/19 | 06/20 | ||||||||||||||||||||||
| 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) | 69 | 70 | 70 | 69 | 65 | 61 | 59 | 58 | 58 | 58 | 58 | 57 | 56 | 56 | 57 | 58 | 61 | 65 | 69 | 70 | 72 | 73 | 74 | 74 |
| Dewpoint (°F) | 41 | 41 | 42 | 45 | 46 | 43 | 41 | 40 | 39 | 38 | 36 | 34 | 33 | 31 | 33 | 36 | 39 | 41 | 43 | 43 | 46 | 45 | 45 | 46 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 3 | 2 | 3 | 2 | 5 | 7 | 7 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 5 | 3 | 3 | 5 | 5 | 5 | 5 | 3 |
| Wind Dir | SE | NW | WNW | NW | N | NE | NNE | NE | NE | NE | NE | NNE | NNE | NNE | NNE | NE | ENE | ENE | ESE | S | S | S | SSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 1 | 0 | 0 | 3 | 10 | 6 | 6 | 20 | 21 | 17 | 32 | 18 | 25 | 21 | 23 | 16 | 13 | 15 | 18 | 19 | 8 | 2 | 3 | 4 |
| Precipitation Potential (%) | 1 | 2 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 3 |
| Relative Humidity (%) | 36 | 35 | 36 | 42 | 50 | 51 | 51 | 51 | 49 | 47 | 43 | 41 | 41 | 39 | 40 | 43 | 44 | 42 | 39 | 38 | 39 | 37 | 36 | 37 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/21 | |||||||||||||||||||||||
| 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) | 74 | 74 | 74 | 72 | 69 | 65 | 64 | 62 | 61 | 61 | 60 | 59 | 59 | 58 | 59 | 61 | 62 | 65 | 69 | 72 | 73 | 74 | 75 | 75 |
| Dewpoint (°F) | 47 | 48 | 49 | 51 | 51 | 47 | 46 | 45 | 44 | 42 | 41 | 41 | 40 | 39 | 41 | 43 | 45 | 47 | 49 | 50 | 50 | 51 | 52 | 51 |
| Heat Index (°F) | 75 | 75 | ||||||||||||||||||||||
| Surface Wind (mph) | 6 | 7 | 7 | 7 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 5 | 5 | 6 | 6 |
| Wind Dir | NW | NNW | NNW | NNW | N | N | N | N | N | N | NNW | NNW | NNW | WNW | WNW | WNW | S | S | S | SSW | SSW | SSW | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 4 | 2 | 19 | 9 | 16 | 26 | 22 | 18 | 18 | 18 | 13 | 13 | 13 | 22 | 22 | 22 | 24 | 24 | 24 | 9 | 9 | 9 | 13 | 13 |
| Precipitation Potential (%) | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 38 | 39 | 41 | 48 | 53 | 52 | 53 | 53 | 52 | 51 | 50 | 50 | 49 | 49 | 51 | 52 | 54 | 51 | 49 | 46 | 45 | 45 | 44 | 44 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
