Green River Gorge Conservation Area Weather Forecast

    • 51
    • 77

    Increasing Clouds

    • 50
    • 71

    Partly Sunny

    • 52
    • 75

    Mostly Sunny

    • 56
    • 74

    Rain Likely

    • 49
    • 68

    Mostly Cloudy

    • 52
    • 72

    Slight Chance Rain

    • 55
    • 72

    Chance Rain

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

Partly cloudy. Lows in the lower to mid 50s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Green River Gorge Conservation Area Temperature Statistics

September Temperature

Renton Municipal Airport (18 miles)

  • Lowest 15 September, 2025

    53.1 °F

  • Average September

    66.2 °F

  • Highest 3 September, 2025

    82.9 °F

Climate (2020–Present)

Renton Municipal Airport (18 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    62.2 °F
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