Northwest Seattle Weather Forecast
- 33
- 44
Rain/Snow Likely
- 32
- 39
Increasing Clouds
- 34
- 41
Mostly Cloudy
- 35
- 44
Mostly Cloudy
- 37
- 46
Mostly Cloudy
- 40
- 46
Chance Rain
- 40
- 48
Chance Rain
Today 26 Dec City of Seattle
Rain likely early in the Afternoon, then mostly cloudy with a chance of rain late in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the lower to mid 40s. Southwest wind 10 to 15 Mph.
Tonight 26 Dec City of Seattle
Mostly cloudy until early morning then becoming partly cloudy. Rain and snow likely in the Evening, then a chance of rain after midnight. No snow accumulation. Lows in the lower to mid 30s. Southwest wind 10 to 15 Mph becoming west after midnight.
Northwest Seattle Temperature Statistics
December Temperature
Boeing Field - King County International Airport (10.6 miles)
Lowest 1 December, 2025
34 °FAverage December
47.8 °FHighest 15 December, 2025
59 °F
Climate (2020–Present)
Boeing Field - King County International Airport (10.6 miles)
Average Low 2020–2025
47.1 °FAverage 2020–2025
54.2 °FAverage High 2020–2025
61.5 °F