Lake Washington Weather Forecast

    • 59
    • 83

    Decreasing Clouds

    • 57
    • 79

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

    • 59
    • 79

    Partly Sunny

    • 59
    • 77

    Partly Sunny

    • 61
    • 81

    Mostly Sunny

Today 8 Aug Eastside

Mostly cloudy until late afternoon then becoming sunny. Highs in the lower to mid 80s. Light wind.

Tonight 8 Aug Eastside

Mostly clear. Lows in the mid to upper 50s. Light wind.

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  • Temperature Real-Time

Lake Washington Temperature Statistics

August Temperature

Boeing Field - King County International Airport (5.6 miles)

  • Lowest 3 August, 2026

    55 °F

  • Average August

    68.2 °F

  • Highest 6 August, 2026

    86 °F

Climate (2021–2026)

Boeing Field - King County International Airport (5.6 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    61.6 °F
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