Lower Garfield Mountain Lake Weather Forecast

    • 39
    • 47

    Increasing Clouds

    • 39
    • 54

    Mostly Sunny

    • 44
    • 53

    Rain Likely

    • 42
    • 47

    Rain

    • 42
    • 48

    Chance Rain

    • 41
    • 48

    Chance Rain

Today 26 Sep Cascades of Southern King County

Mostly sunny. Freezing level near 5500 feet increasing to 7000 feet in the afternoon. Afternoon pass Temperatures in the lower 50s. Light wind in the Passes.

Tonight 26 Sep Cascades of Southern King County

Mostly cloudy. Freezing level near 9000 feet. Light wind in the Passes.

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Lower Garfield Mountain Lake Temperature Statistics

September Temperature

Stampede Pass (19.9 miles)

  • Lowest 3 September, 2026

    39.9 °F

  • Average September

    51.7 °F

  • Highest 20 September, 2026

    73 °F

Climate (2021–2026)

Stampede Pass (19.9 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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