| Point Forecast: Mt Rainier WA 46.85N 121.75W (Elev. 3890 m) |
Last Update: 3:40 pm PDT Jun 30, 2025 |
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| Date | 06/30 | 07/01 | ||||||||||||||||||||||
| Hour (PDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°C) | 6 | 4 | 4 | 4 | 3 | 4 | 3 | 3 | 3 | 2 | 3 | 4 | 5 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 6 |
| Dewpoint (°C) | -5 | -7 | -9 | -10 | -10 | -13 | -13 | -14 | -15 | -16 | -15 | -13 | -12 | -12 | -10 | -9 | -5 | -6 | -6 | -6 | -5 | -8 | -4 | -8 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 17 | 14 | 13 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 13 | 14 | 14 | 15 | 18 | 20 | 21 | 22 | 22 | 21 |
| Wind Dir | WSW | SW | SW | WSW | WSW | WSW | WSW | W | W | WSW | W | W | W | W | WSW | WSW | SW | SW | WSW | WSW | WSW | WSW | W | WNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 14 | 10 | 6 | 7 | 15 | 14 | 19 | 13 | 23 | 25 | 21 | 26 | 23 | 24 | 25 | 27 | 15 | 16 | 18 | 11 | 10 | 10 | 12 | 7 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 3 | 3 | 3 | 5 | 5 | 5 |
| Relative Humidity (%) | 35 | 35 | 35 | 35 | 35 | 29 | 28 | 27 | 26 | 26 | 27 | 28 | 30 | 29 | 29 | 30 | 43 | 40 | 38 | 37 | 39 | 33 | 41 | 39 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/02 | |||||||||||||||||||||||
| Hour (PDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°C) | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 0 | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 1 | 1 |
| Dewpoint (°C) | -8 | -11 | -12 | -14 | -16 | -17 | -17 | -17 | -17 | -16 | -15 | -13 | -12 | -12 | -12 | -12 | -11 | -9 | -9 | -9 | -10 | -11 | -10 | -9 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 18 | 16 | 14 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 15 | 15 | 15 | 23 | 23 | 23 | 26 | 26 | 26 | 29 | 29 | 29 |
| Wind Dir | WNW | WNW | WNW | WNW | WNW | WNW | W | W | W | WNW | WNW | WNW | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | 36 | 36 | 36 | 39 | 39 | 39 | ||||||||||||||||||
| Sky Cover (%) | 12 | 12 | 10 | 8 | 8 | 8 | 14 | 14 | 14 | 22 | 22 | 22 | 14 | 14 | 14 | 8 | 8 | 8 | 6 | 6 | 6 | 10 | 10 | 10 |
| Precipitation Potential (%) | 5 | 5 | 5 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 9 | 9 | 9 |
| Relative Humidity (%) | 41 | 36 | 31 | 27 | 24 | 23 | 23 | 24 | 26 | 28 | 30 | 33 | 34 | 33 | 31 | 31 | 34 | 38 | 41 | 40 | 38 | 38 | 42 | 48 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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