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. Rain at Times. Rainfall Amounts a tenth to a quarter of an inch possible. Highs in the lower to mid 50s. North wind to 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.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Washington Temperature Statistics

December Temperature

Boeing Field - King County International Airport (5.6 miles)

  • Lowest 1 December, 2025

    34 °F

  • Average December

    48.4 °F

  • Highest 15 December, 2025

    59 °F

Climate (2020–Present)

Boeing Field - King County International Airport (5.6 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    61.5 °F
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