Snoqualmie Pass Weather Forecast

    • 40
    • 56

    Decreasing Clouds

    • 45
    • 65

    Partly Sunny

    • 49
    • 64

    Chance Rain Showers

    • 50
    • 65

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

    • 47
    • 68

    Chance Rain Showers

    • 46
    • 62

    Chance Rain Showers

Today 20 Sep Upper Slopes of the Eastern Washington Cascades Crest

Partly cloudy. Lows in the upper 30s to mid 40s. Highs in the lower 50s to lower 60s.

Tonight 20 Sep Upper Slopes of the Eastern Washington Cascades Crest

Partly cloudy. Lows in the upper 30s to mid 40s. Highs in the lower 50s to lower 60s.

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Snoqualmie Pass Temperature Statistics

September Temperature

Stampede Pass (8.1 miles)

  • Lowest 15 September, 2024

    43 °F

  • Average September

    57.5 °F

  • Highest 6 September, 2024

    88 °F

Climate (2019–Present)

Stampede Pass (8.1 miles)

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  • Average Low 2019–2024

    36.3 °F

  • Average 2019–2024

    41.5 °F

  • Average High 2019–2024

    48.3 °F
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