Capitol Hill Weather Forecast
- 35
- 42
Mostly Cloudy
- 35
- 44
Mostly Cloudy
- 36
- 45
Mostly Cloudy
- 39
- 46
Chance Rain
- 41
- 49
Rain Likely
- 39
- 47
Rain Likely
Today 28 Dec City of Seattle
Partly sunny. Patchy fog in the morning. Highs in the lower 40s. Light wind.
Tonight 28 Dec City of Seattle
Mostly cloudy. Patchy fog after midnight. Lows in the lower to mid 30s. Light wind.
Capitol Hill Temperature Statistics
December Temperature
Boeing Field - King County International Airport (5 miles)
Lowest 1 December, 2025
34 °FAverage December
47.5 °FHighest 15 December, 2025
59 °F
Climate (2020–Present)
Boeing Field - King County International Airport (5 miles)
Average Low 2020–2025
47.1 °FAverage 2020–2025
54.1 °FAverage High 2020–2025
61.5 °F