Upper Wildcat Lake Weather Forecast

    • 40
    • 50

    Mostly Cloudy

    • 41
    • 51

    Increasing Clouds

    • 41
    • 56

    Rain

    • 37
    • 43

    Rain

    • 37
    • 46

    Mostly Cloudy

    • 38
    • 49

    Chance Rain

    • 40
    • 48

    Chance Rain

Today 22 Sep Cascades of Southern King County

Mostly cloudy with a chance of rain and snow. Snow level near 7000 feet.

Tonight 22 Sep Cascades of Southern King County

Mostly cloudy. Freezing level near 10500 feet. Light wind in the Passes.

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  • Temperature Real-Time

Upper Wildcat Lake Temperature Statistics

September Temperature

Stampede Pass (16.2 miles)

  • Lowest 3 September, 2026

    39.9 °F

  • Average September

    51.6 °F

  • Highest 20 September, 2026

    73 °F

Climate (2021–2026)

Stampede Pass (16.2 miles)

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  • Average Low 2021–2026

    36.2 °F

  • Average 2021–2026

    41.5 °F

  • Average High 2021–2026

    48.2 °F
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