Mount Baker National Forest Weather Forecast
- 36
- 48
Becoming Sunny
- 37
- 45
Rain Likely
- 39
- 45
Rain
- 36
- 44
Rain/Snow
- 33
- 42
Rain/Snow Likely
- 32
- 41
Rain/Snow Likely
Today 31 Dec Cascades of Snohomish and Northern King Counties
Mostly sunny. Freezing level near 8500 feet increasing to 10500 feet in the afternoon. Afternoon pass Temperatures in the mid 30s. East wind in the Passes around 10 Mph in the morning becoming light.
Tonight 31 Dec Cascades of Snohomish and Northern King Counties
Partly cloudy. Freezing level near 9500 feet decreasing to 7500 feet after midnight. Lows in the mid 20s. Light wind.
Mount Baker National Forest Temperature Statistics
December Temperature
Arlington Municipal Airport (45.4 miles)
Lowest 28 December, 2025
26.1 °FAverage December
44.7 °FHighest 15 December, 2025
60.1 °F
Climate (2020–Present)
Arlington Municipal Airport (45.4 miles)
Average Low 2020–2025
42.5 °FAverage 2020–2025
50.8 °FAverage High 2020–2025
59.8 °F