Speelyi Beach Park Weather Forecast

    • 48
    • 82

    Increasing Clouds

    • 41
    • 66

    Partly Sunny

    • 43
    • 66

    Partly Sunny

    • 43
    • 66

    Rain Showers Likely

    • 38
    • 58

    Chance Rain Showers

    • 38
    • 58

    Mostly Cloudy

Today 21 Sep Lower Slopes of the Eastern Washington Cascades Crest

Sunny. Highs in the lower 70s to lower 80s, except in the upper 70s to lower 80s Valleys. Light wind.

Tonight 21 Sep Lower Slopes of the Eastern Washington Cascades Crest

Partly cloudy. Lows in the mid 40s to lower 50s. West wind 5 to 10 Mph with Gusts to around 25 Mph.

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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

    50.8 °F

  • Highest 9 September, 2026

    71.1 °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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