| Point Forecast: 3 Miles S Mount St Helens WA 46.14N 122.2W (Elev. 2956 ft) |
Last Update: 9:20 pm PDT Jul 14, 2025 |
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| Date | 07/14 | 07/15 | ||||||||||||||||||||||
| Hour (PDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 59 | 57 | 56 | 55 | 55 | 55 | 55 | 55 | 55 | 54 | 56 | 58 | 61 | 66 | 70 | 72 | 76 | 77 | 77 | 78 | 76 | 76 | 75 | 72 |
| Dewpoint (°F) | 47 | 47 | 47 | 47 | 47 | 47 | 46 | 45 | 46 | 43 | 46 | 48 | 49 | 52 | 53 | 55 | 56 | 55 | 56 | 55 | 54 | 54 | 55 | 52 |
| Heat Index (°F) | 76 | 77 | 77 | 78 | 76 | 76 | 75 | |||||||||||||||||
| Surface Wind (mph) | 7 | 6 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 3 |
| Wind Dir | NNW | NNW | NNW | NNW | N | N | N | NNE | NNE | NNE | NNE | NE | E | ESE | SSE | SSE | S | SE | ESE | ESE | E | E | E | NNE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 14 | 15 | 14 | 13 | 18 | 13 | 13 | 11 | 15 | 19 | 11 | 7 | 5 | 5 | 3 | 7 | 16 | 18 | 15 | 9 | 6 | 6 | 6 | 13 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 64 | 68 | 73 | 73 | 73 | 73 | 72 | 69 | 71 | 66 | 68 | 70 | 64 | 61 | 55 | 55 | 50 | 47 | 48 | 45 | 47 | 47 | 49 | 49 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/16 | |||||||||||||||||||||||
| Hour (PDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 70 | 69 | 67 | 66 | 65 | 64 | 63 | 63 | 62 | 63 | 63 | 64 | 68 | 71 | 75 | 77 | 79 | 81 | 80 | 80 | 79 | 77 | 75 | 73 |
| Dewpoint (°F) | 50 | 49 | 47 | 45 | 44 | 43 | 42 | 41 | 40 | 42 | 43 | 44 | 46 | 48 | 50 | 50 | 51 | 52 | 51 | 53 | 53 | 52 | 52 | 52 |
| Heat Index (°F) | 75 | 77 | 79 | 80 | 80 | 80 | 79 | 77 | 75 | |||||||||||||||
| Surface Wind (mph) | 3 | 3 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 3 |
| Wind Dir | NNE | NNE | NE | NE | NE | ENE | ENE | ENE | ENE | ENE | ENE | E | E | E | SSE | SSE | SSE | WSW | WSW | WSW | W | W | W | WNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 13 | 13 | 5 | 5 | 5 | 4 | 4 | 4 | 7 | 7 | 7 | 6 | 6 | 6 | 4 | 4 | 4 | 5 | 5 | 5 | 4 | 4 | 4 | 6 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 49 | 49 | 48 | 47 | 47 | 46 | 46 | 45 | 45 | 46 | 48 | 49 | 46 | 44 | 41 | 39 | 38 | 36 | 37 | 39 | 40 | 42 | 45 | 47 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
