Denny Creek Weather Forecast

    • 52
    • 69

    Becoming Sunny

    • 52
    • 72

    Mostly Sunny

    • 47
    • 66

    Partly Sunny

    • 44
    • 59

    Partly Sunny

    • 48
    • 59

    Partly Sunny

    • 49
    • 63

    Mostly Cloudy

Today 19 Sep Cascades of Southern King County

Mostly sunny. Freezing level near 13500 feet. Afternoon pass Temperatures around 70. Light wind in the Passes.

Tonight 19 Sep Cascades of Southern King County

Mostly clear. Freezing level near 13500 feet. Light wind in the Passes.

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Denny Creek Temperature Statistics

September Temperature

Stampede Pass (10.6 miles)

  • Lowest 3 September, 2026

    39.9 °F

  • Average September

    49.4 °F

  • Highest 9 September, 2026

    71.1 °F

Climate (2021–2026)

Stampede Pass (10.6 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    41.5 °F

  • Average High 2021–2026

    48.2 °F
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