Stampede Pass Weather Forecast

    • 40
    • 49

    Mostly Cloudy

    • 37
    • 56

    Becoming Sunny

    • 43
    • 54

    Partly Sunny

    • 45
    • 52

    Rain Showers

    • 43
    • 52

    Mostly Cloudy

    • 42
    • 55

    Mostly Cloudy

    • 41
    • 54

    Partly Sunny

Today 26 Sep Upper Slopes of the Eastern Washington Cascades Crest

Sunny. Highs in the upper 40s to upper 50s.

Tonight 26 Sep Upper Slopes of the Eastern Washington Cascades Crest

Partly cloudy. Lows in the 30s.

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Stampede Pass Temperature Statistics

September Temperature

Stampede Pass (0.6 miles)

  • Lowest 3 September, 2026

    39.9 °F

  • Average September

    51.7 °F

  • Highest 20 September, 2026

    73 °F

Climate (2021–2026)

Stampede Pass (0.6 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    41.5 °F

  • Average High 2021–2026

    48.2 °F
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