Gunn Peak Weather Forecast

    • 41
    • 51

    Chance Thunderstorms

    • 41
    • 54

    Chance Rain Showers

    • 46
    • 58

    Partly Sunny

    • 47
    • 52

    Chance Rain

    • 47
    • 57

    Partly Sunny

    • 50
    • 63

    Partly Sunny

Today 4 Sep Cascades of Snohomish and Northern King Counties

Mostly cloudy. A chance of Showers in the morning. A chance of Thunderstorms and a slight chance of snow Showers in the afternoon. Snow level near 7000 feet. No snow accumulation. Afternoon pass Temperatures in the mid 50s. Light wind.

Tonight 4 Sep Cascades of Snohomish and Northern King Counties

Mostly cloudy. A chance of Showers, snow Showers and a slight chance of Thunderstorms in the Evening, then a slight chance of Showers late in the evening. A slight chance of Showers in the morning. Snow level near 7500 feet. Lows around 40. Light wind.

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Gunn Peak Temperature Statistics

September Temperature

Stampede Pass (37.3 miles)

  • Lowest 2 September, 2026

    41 °F

  • Average September

    50.6 °F

  • Highest 1 September, 2026

    61 °F

Climate (2021–2026)

Stampede Pass (37.3 miles)

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  • Average Low 2021–2026

    36.2 °F

  • Average 2021–2026

    41.6 °F

  • Average High 2021–2026

    48.3 °F
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