Speelyi Beach Park Weather Forecast

    • 61
    • 95

    Mostly Cloudy

    • 53
    • 79

    Chance Rain Showers

    • 50
    • 73

    Mostly Sunny

    • 56
    • 86

    Mostly Sunny

    • 54
    • 87

    Partly Sunny

    • 50
    • 77

    Partly Sunny

    • 49
    • 75

    Mostly Sunny

Today 21 Aug Lower Slopes of the Eastern Washington Cascades Crest

Mostly cloudy. Patchy smoke. Highs in the lower 80s to lower 90s, except in the upper 80s to lower 90s Valleys. Southeast wind 5 to 10 Mph.

Tonight 21 Aug Lower Slopes of the Eastern Washington Cascades Crest

Cloudy. Patchy smoke through the night. A 20 percent chance of rain Showers overnight. Lows in the upper 50s to upper 60s. Light Wind, becoming northwest 5 to 10 Mph overnight.

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Speelyi Beach Park Temperature Statistics

August Temperature

Stampede Pass (12.4 miles)

  • Lowest 3 August, 2026

    42.1 °F

  • Average August

    58.5 °F

  • Highest 5 August, 2026

    80.1 °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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