Snoqualmie Pass Weather Forecast

    • 63
    • 88

    Sunny

    • 61
    • 89

    Mostly Sunny

    • 60
    • 85

    Mostly Sunny

    • 59
    • 82

    Chance Rain Showers

    • 54
    • 74

    Chance Rain Showers

    • 53
    • 69

    Chance Rain Showers

    • 53
    • 68

    Chance Rain Showers

Today 2 Sep Upper Slopes of the Eastern Washington Cascades Crest

Partly cloudy in the morning then clearing. Haze. Highs in the lower 80s to lower 90s.

Tonight 2 Sep Upper Slopes of the Eastern Washington Cascades Crest

Mostly clear. Haze through the night. Areas of smoke overnight. Lows in the lower to mid 60s.

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Snoqualmie Pass Temperature Statistics

September Temperature

Stampede Pass (8.1 miles)

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  • Average September

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Climate (2020–Present)

Stampede Pass (8.1 miles)

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  • Average Low 2020–2025

    36.2 °F

  • Average 2020–2025

    41.5 °F

  • Average High 2020–2025

    48.3 °F
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