Ptarmigan Lakes Weather Forecast

    • 38
    • 48

    Increasing Clouds

    • 39
    • 49

    Mostly Cloudy

    • 40
    • 54

    Rain

    • 35
    • 41

    Rain Showers

    • 35
    • 43

    Mostly Cloudy

    • 37
    • 44

    Chance Rain

Today 22 Sep Cascades of Snohomish and Northern King Counties

Mostly cloudy in the morning then becoming mostly sunny. Freezing level near 11500 feet. Afternoon pass Temperatures in the mid 50s. Light wind.

Tonight 22 Sep Cascades of Snohomish and Northern King Counties

Mostly cloudy. Freezing level near 10000 feet. Lows around 40. Light wind.

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Ptarmigan Lakes Temperature Statistics

September Temperature

Stampede Pass (24.9 miles)

  • Lowest 3 September, 2026

    39.9 °F

  • Average September

    51.6 °F

  • Highest 20 September, 2026

    73 °F

Climate (2021–2026)

Stampede Pass (24.9 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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