Snoqualmie Pass Weather Forecast

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    • 48

    Rain Showers

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    • 43

    Rain Showers

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    • 46

    Chance Rain Showers

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    • 52

    Chance Rain Showers

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    Rain Showers

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    • 50

    Rain Showers

Today 18 Oct Upper Slopes of the Eastern Washington Cascades Crest

Mostly cloudy. Widespread frost in the morning. A 50 percent chance of rain and high mountain snow Showers in the afternoon. Highs in the mid 40s to lower 50s.

Tonight 18 Oct Upper Slopes of the Eastern Washington Cascades Crest

Rain Showers in the Evening, then rain and high mountain snow Showers overnight. Little or no high mountain snow accumulation. Lows in the 30s. Southwest wind 5 to 15 Mph with Gusts to around 35 Mph overnight. Chance of precipitation near 100 percent.

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Snoqualmie Pass Temperature Statistics

October Temperature

Stampede Pass (8.1 miles)

  • Lowest 14 October, 2025

    28 °F

  • Average October

    42.2 °F

  • Highest 6 October, 2025

    59 °F

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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