Lake Washington Weather Forecast
- 40
- 53
Rain
- 41
- 47
Rain Likely
- 37
- 46
Rain Likely
- 36
- 44
Mostly Cloudy
- 37
- 46
Mostly Cloudy
- 38
- 48
Chance Rain
Today 24 Dec Eastside
Breezy. A chance of rain late in the Morning, then rain at Times early in the afternoon. Rain likely late in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the lower to mid 50s. Northeast wind around 10 Mph increasing to south 15 to 25 Mph with Gusts to 40 Mph in the afternoon.
Tonight 24 Dec Eastside
Breezy. Mostly cloudy with a slight chance of rain in the Evening, then mostly cloudy after midnight. Lows near 40. South wind 15 to 25 Mph with Gusts to 35 Mph becoming east to 10 Mph after midnight.
Lake Washington Temperature Statistics
December Temperature
Boeing Field - King County International Airport (5.6 miles)
Lowest 1 December, 2025
34 °FAverage December
48.4 °FHighest 15 December, 2025
59 °F
Climate (2020–Present)
Boeing Field - King County International Airport (5.6 miles)
Average Low 2020–2025
47 °FAverage 2020–2025
54.1 °FAverage High 2020–2025
61.5 °F