Mount Rainier National Park Weather Forecast
- 12
- 31
Blizzard
- 20
- 32
Mostly Sunny
- 26
- 40
Snow
- 20
- 33
Snow
- 22
- 31
Snow
- 26
- 38
Chance Snow
Today 29 Mar Cascades of Pierce and Lewis Counties
A chance of rain and snow in the Morning, then rain and snow in the afternoon. Snow level near 3000 feet. Snow accumulation up to 3 Inches.
Tonight 29 Mar Cascades of Pierce and Lewis Counties
Mostly cloudy in the evening then becoming partly cloudy. Showers and snow likely in the evening. A slight chance of snow Showers after midnight. Snow level near 2000 feet in the evening. Snow may be heavy at Times in the evening. Snow accumulation of 1 to 2 Inches. Total snow accumulation 1 to 5 Inches.
Mount Rainier National Park Temperature Statistics
March Temperature
Stampede Pass (31.1 miles)
Lowest 10 March, 2026
19.9 °FAverage March
33.4 °FHighest 2 March, 2026
50 °F
Climate (2021–Present)
Stampede Pass (31.1 miles)
Average Low 2021–2026
36.3 °FAverage 2021–2026
41.6 °FAverage High 2021–2026
48.3 °F