Boulder River Wilderness Weather Forecast
- 45
- 47
Rain
- 38
- 50
Rain
- 36
- 44
Rain/Snow Likely
- 37
- 42
Rain Likely
- 42
- 46
Rain
- 42
- 46
Rain
- 42
- 44
Rain
Today 31 Oct Cascades of Snohomish and Northern King Counties
Mostly cloudy. A chance of rain and snow in the Morning, then rain and snow in the afternoon. Snow level near 6000 feet increasing to 9000 feet in the afternoon. Rainfall Amounts a quarter to a half inch possible. No snow accumulation. Afternoon pass Temperatures around 40. Light wind.
Tonight 31 Oct Cascades of Snohomish and Northern King Counties
Rain and snow. Snow level near 8500 feet. Rainfall Amounts one to three Inches possible. No snow accumulation. Lows in the upper 30s. Light wind. Gusts to 20 Mph in the evening.
Boulder River Wilderness Temperature Statistics
October Temperature
Arlington Municipal Airport (23.6 miles)
Lowest 14 October, 2025
28.9 °FAverage October
50.7 °FHighest 7 October, 2025
73.9 °F
Climate (2020–Present)
Arlington Municipal Airport (23.6 miles)
Average Low 2020–2025
42.4 °FAverage 2020–2025
50.6 °FAverage High 2020–2025
59.7 °F