Speelyi Beach Park Weather Forecast

    • 49
    • 77

    Mostly Sunny

    • 54
    • 83

    Increasing Clouds

    • 44
    • 69

    Partly Sunny

    • 45
    • 64

    Mostly Cloudy

    • 44
    • 64

    Chance Rain Showers

    • 44
    • 66

    Mostly Sunny

    • 46
    • 71

    Mostly Sunny

Today 8 Sep Lower Slopes of the Eastern Washington Cascades Crest

Sunny. Highs in the mid 60s to mid 70s, except in the 70s Valleys. Southeast wind 5 to 10 Mph.

Tonight 8 Sep Lower Slopes of the Eastern Washington Cascades Crest

Mostly clear. Lows in the mid 40s to lower 50s. Light wind.

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Speelyi Beach Park Temperature Statistics

September Temperature

Stampede Pass (12.4 miles)

  • Lowest 3 September, 2026

    39.9 °F

  • Average September

    47 °F

  • Highest 1 September, 2026

    61 °F

Climate (2021–2026)

Stampede Pass (12.4 miles)

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  • Average Low 2021–2026

    36.2 °F

  • Average 2021–2026

    41.5 °F

  • Average High 2021–2026

    48.2 °F
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