Speelyi Beach Park Weather Forecast

    • 42
    • 61

    Chance Rain Showers

    • 46
    • 74

    Sunny

    • 48
    • 80

    Sunny

    • 47
    • 77

    Mostly Sunny

    • 49
    • 79

    Mostly Sunny

    • 49
    • 79

    Mostly Sunny

Today 15 Sep Lower Slopes of the Eastern Washington Cascades Crest

Mostly cloudy. A 20 percent chance of rain Showers in the afternoon. Highs in the mid 50s to mid 60s. Light wind.

Tonight 15 Sep Lower Slopes of the Eastern Washington Cascades Crest

Mostly cloudy with a 20 percent chance of rain Showers in the Evening, then mostly clear overnight. Lows in the lower to mid 40s. Light wind.

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  • Temperature Real-Time

Speelyi Beach Park Temperature Statistics

September Temperature

Stampede Pass (12.4 miles)

  • Lowest 3 September, 2026

    39.9 °F

  • Average September

    51.2 °F

  • Highest 9 September, 2026

    71.1 °F

Climate (2021–2026)

Stampede Pass (12.4 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    41.5 °F

  • Average High 2021–2026

    48.2 °F
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