Fall City Weather Forecast

    • 53
    • 78

    Increasing Clouds

    • 58
    • 81

    Partly Sunny

    • 62
    • 88

    Mostly Sunny

    • 60
    • 88

    Mostly Sunny

    • 57
    • 80

    Partly Sunny

    • 55
    • 80

    Partly Sunny

Today 8 Aug Foothills and Valleys of Central King County

Sunny. Patchy fog in the morning. Highs in the mid to upper 70s. Light wind.

Tonight 8 Aug Foothills and Valleys of Central King County

Partly cloudy. Lows in the lower to mid 50s. North wind to 10 Mph becoming east after midnight.

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Fall City Temperature Statistics

August Temperature

Renton Municipal Airport (15.5 miles)

  • Lowest 3 August, 2025

    59 °F

  • Average August

    67.8 °F

  • Highest 1 August, 2025

    78.8 °F

Climate (2020–Present)

Renton Municipal Airport (15.5 miles)

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  • Average Low 2020–2025

    47.2 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    62.2 °F
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