Square Lake Weather Forecast

    • 40
    • 57

    Mostly Cloudy

    • 36
    • 51

    Decreasing Clouds

    • 40
    • 58

    Mostly Sunny

    • 44
    • 65

    Chance Rain/Snow

    • 40
    • 57

    Chance Rain/Snow

    • 36
    • 52

    Chance Rain/Snow

    • 34
    • 47

    Chance Rain/Snow

Today 9 May Western Chelan County

Partly cloudy. Highs in the upper 60s to upper 70s.

Tonight 9 May Western Chelan County

Mostly cloudy. Lows in the mid 40s to mid 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Square Lake Temperature Statistics

May Temperature

Stampede Pass (27.3 miles)

  • Lowest 7 May, 2026

    37.9 °F

  • Average May

    54.3 °F

  • Highest 3 May, 2026

    71.1 °F

Climate (2021–Present)

Stampede Pass (27.3 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    41.6 °F

  • Average High 2021–2026

    48.4 °F
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