Cup Lake Weather Forecast

    • 47
    • 61

    Mostly Sunny

    • 44
    • 59

    Mostly Sunny

    • 41
    • 54

    Mostly Sunny

    • 41
    • 53

    Mostly Sunny

    • 43
    • 56

    Mostly Sunny

    • 48
    • 62

    Mostly Sunny

Today 23 Jul Western Chelan County

Sunny. Highs in the lower 80s to lower 90s. Gusts up to 20 Mph in the afternoon.

Tonight 23 Jul Western Chelan County

Mostly clear. Lows in the mid 50s to mid 60s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cup Lake Temperature Statistics

July Temperature

Stampede Pass (35.4 miles)

  • Lowest 3 July, 2025

    44.1 °F

  • Average July

    58.1 °F

  • Highest 1 July, 2025

    78.1 °F

Climate (2020–Present)

Stampede Pass (35.4 miles)

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  • Average Low 2020–2025

    36.2 °F

  • Average 2020–2025

    41.5 °F

  • Average High 2020–2025

    48.3 °F
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