Wellington Weather Forecast
- 24
- 35
Rain/Snow
- 27
- 32
Rain/Snow
- 20
- 30
Snow
- 18
- 25
Mostly Cloudy
- 23
- 31
Mostly Cloudy
- 27
- 35
Mostly Cloudy
Today 24 Dec Cascades of Snohomish and Northern King Counties
A slight chance of snow in the morning. Rain through the day. Snow in the afternoon. Snow level near 6000 feet. Rainfall Amounts a quarter to a half inch possible. No snow accumulation. Afternoon pass Temperatures in the mid 30s. East wind in the Passes around 15 Mph becoming southeast in the Afternoon, Gusts to 30 Mph in the afternoon.
Tonight 24 Dec Cascades of Snohomish and Northern King Counties
Mostly cloudy with a chance of rain and snow in the Evening, then mostly cloudy with a slight chance of rain and snow late in the evening. Partly cloudy after midnight. Snow level near 3500 feet. Freezing level near 3500 feet after midnight. Lows in the mid 20s. Southwest wind in the Passes 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.
Wellington Temperature Statistics
December Temperature
Stampede Pass (33.6 miles)
Lowest 1 December, 2025
23 °FAverage December
34.5 °FHighest 13 December, 2025
51.1 °F
Climate (2020–Present)
Stampede Pass (33.6 miles)
Average Low 2020–2025
36.3 °FAverage 2020–2025
41.6 °FAverage High 2020–2025
48.3 °F