Mount Rainier National Park Weather Forecast
- 27
- 33
Chance Snow Showers
- 26
- 40
Mostly Sunny
- 29
- 46
Mostly Sunny
- 36
- 45
Chance Rain
- 37
- 47
Partly Sunny
- 40
- 53
Partly Sunny
Today 10 Oct Cascades of Pierce and Lewis Counties
Mostly cloudy. A chance of Showers in the Morning, then a slight chance of Showers in the afternoon. Snow level near 4500 feet.
Tonight 10 Oct Cascades of Pierce and Lewis Counties
Partly cloudy. A slight chance of Showers in the evening. A slight chance of snow Showers in the morning. Snow level near 4500 feet.
Mount Rainier National Park Temperature Statistics
October Temperature
Stampede Pass (31.1 miles)
Lowest 1 October, 2026
42.1 °FAverage October
53.4 °FHighest 4 October, 2026
70 °F
Climate (2021–2026)
Stampede Pass (31.1 miles)
Average Low 2021–2026
36.2 °FAverage 2021–2026
41.6 °FAverage High 2021–2026
48.2 °F