Derrick Lake Weather Forecast

    • 44
    • 51

    Increasing Clouds

    • 44
    • 52

    Chance Rain

    • 49
    • 65

    Sunny

    • 51
    • 67

    Mostly Sunny

    • 50
    • 65

    Mostly Sunny

    • 48
    • 62

    Partly Sunny

Today 14 Sep Cascades of Southern King County

Mostly cloudy. Freezing level near 11500 feet. Afternoon pass Temperatures in the lower 50s. Light wind in the Passes.

Tonight 14 Sep Cascades of Southern King County

Mostly cloudy. Freezing level near 11500 feet. Light wind in the Passes.

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Derrick Lake Temperature Statistics

September Temperature

Stampede Pass (16.8 miles)

  • Lowest 3 September, 2026

    39.9 °F

  • Average September

    51.2 °F

  • Highest 9 September, 2026

    71.1 °F

Climate (2021–2026)

Stampede Pass (16.8 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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