Green River Gorge State Park Weather Forecast

    • 51
    • 76

    Sunny

    • 50
    • 70

    Mostly Sunny

    • 50
    • 71

    Partly Sunny

    • 51
    • 71

    Partly Sunny

    • 50
    • 69

    Mostly Cloudy

    • 49
    • 67

    Mostly Cloudy

Today 17 Sep Foothills and Valleys of Pierce and Southern King Counties

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

Tonight 17 Sep Foothills and Valleys of Pierce and Southern King Counties

Mostly clear. Lows in the upper 40s to mid 50s. Light wind.

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Green River Gorge State Park Temperature Statistics

September Temperature

Renton Municipal Airport (18 miles)

  • Lowest 6 September, 2026

    51.1 °F

  • Average September

    61.8 °F

  • Highest 9 September, 2026

    79 °F

Climate (2021–2026)

Renton Municipal Airport (18 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    62.2 °F
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