Square Lake Weather Forecast

    • 43
    • 52

    Chance Rain Showers

    • 51
    • 69

    Mostly Sunny

    • 51
    • 74

    Partly Sunny

    • 44
    • 62

    Partly Sunny

    • 41
    • 55

    Partly Sunny

    • 41
    • 55

    Partly Sunny

Today 23 Aug Western Chelan County

Mostly cloudy with a chance of rain Showers in the Morning, then partly cloudy in the afternoon. Highs in the upper 60s to upper 70s. Northwest wind 5 to 15 Mph in the afternoon. Gusts up to 35 Mph. Chance of precipitation 20 percent.

Tonight 23 Aug Western Chelan County

Mostly clear. Lows in the lower 50s to lower 60s. Gusts up to 25 Mph in the evening.

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Square Lake Temperature Statistics

August Temperature

Stampede Pass (27.3 miles)

  • Lowest 3 August, 2026

    42.1 °F

  • Average August

    59.5 °F

  • Highest 21 August, 2026

    86 °F

Climate (2021–2026)

Stampede Pass (27.3 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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