Marmot Lake Weather Forecast

    • 41
    • 54

    Rain

    • 33
    • 45

    Rain/Snow

    • 32
    • 43

    Mostly Cloudy

    • 33
    • 47

    Partly Sunny

    • 37
    • 45

    Chance Rain

    • 38
    • 45

    Chance Rain

Today 24 Sep Cascades of Snohomish and Northern King Counties

Mostly cloudy. A slight chance of rain in the afternoon. Snow level near 9000 feet in the afternoon. Afternoon pass Temperatures around 60. Light wind.

Tonight 24 Sep Cascades of Snohomish and Northern King Counties

A chance of rain and snow in the Evening, then rain and snow after midnight. Snow level near 9500 feet. Rainfall Amounts a tenth to a quarter of an inch possible. No snow accumulation. Lows in the mid 40s. Light wind.

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Marmot Lake Temperature Statistics

September Temperature

Stampede Pass (24.2 miles)

  • Lowest 3 September, 2026

    39.9 °F

  • Average September

    52 °F

  • Highest 20 September, 2026

    73 °F

Climate (2021–2026)

Stampede Pass (24.2 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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