Lake Washington Weather Forecast

    • 53
    • 68

    Mostly Cloudy

    • 52
    • 72

    Partly Sunny

    • 55
    • 80

    Mostly Cloudy

    • 53
    • 74

    Slight Chance Rain

    • 51
    • 70

    Chance Rain

    • 49
    • 65

    Chance Rain

Today 10 May Eastside

Mostly cloudy until late afternoon then becoming mostly sunny. Highs in the mid 60s to lower 70s. Light wind.

Tonight 10 May Eastside

Mostly cloudy. A slight chance of rain in the evening. Lows in the lower 50s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Washington Temperature Statistics

May Temperature

Boeing Field - King County International Airport (5.6 miles)

  • Lowest 2 May, 2026

    52 °F

  • Average May

    62.6 °F

  • Highest 4 May, 2026

    78.1 °F

Climate (2021–Present)

Boeing Field - King County International Airport (5.6 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    61.7 °F
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