Mount Rainier National Park Weather Forecast
- 21
- 32
Snow Showers
- 16
- 28
Snow Showers
- 14
- 21
Partly Sunny
- 22
- 29
Mostly Cloudy
- 27
- 36
Mostly Cloudy
- 30
- 39
Mostly Cloudy
Today 25 Dec Cascades of Pierce and Lewis Counties
Patchy fog through the day. A chance of Showers in the morning. Rain Showers and snow Showers in the afternoon. Snow level near 4500 feet. Rainfall Amounts a tenth to a quarter of an inch possible. Snow accumulation up to 3 Inches.
Tonight 25 Dec Cascades of Pierce and Lewis Counties
Patchy fog in the Evening, then widespread dense fog and dense freezing fog late in the evening. Mostly cloudy with a chance of Showers in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Snow level near 3500 feet.
Mount Rainier National Park Temperature Statistics
December Temperature
Stampede Pass (31.1 miles)
Lowest 1 December, 2025
23 °FAverage December
34.2 °FHighest 13 December, 2025
51.1 °F
Climate (2020–Present)
Stampede Pass (31.1 miles)
Average Low 2020–2025
36.3 °FAverage 2020–2025
41.6 °FAverage High 2020–2025
48.3 °F