Cooper Lake Weather Forecast

    • 52
    • 78

    Mostly Sunny

    • 50
    • 77

    Mostly Sunny

    • 48
    • 74

    Sunny

    • 43
    • 71

    Partly Sunny

    • 43
    • 68

    Partly Sunny

    • 41
    • 64

    Mostly Cloudy

    • 42
    • 64

    Partly Sunny

Today 3 May Upper Slopes of the Eastern Washington Cascades Crest

Sunny. Highs in the mid 60s to mid 70s.

Tonight 3 May Upper Slopes of the Eastern Washington Cascades Crest

Mostly clear. Lows in the upper 40s to lower 50s.

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Cooper Lake Temperature Statistics

May Temperature

Stampede Pass (12.4 miles)

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  • Average May

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Climate (2021–Present)

Stampede Pass (12.4 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    41.6 °F

  • Average High 2021–2026

    48.3 °F
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