Square Lake Weather Forecast

    • 41
    • 50

    Decreasing Clouds

    • 48
    • 64

    Partly Sunny

    • 44
    • 59

    Rain Showers Likely

    • 40
    • 48

    Rain Showers

    • 38
    • 47

    Rain Showers

    • 40
    • 51

    Chance Rain Showers

Today 30 Aug Western Chelan County

Mostly cloudy in the Morning, becoming partly cloudy. Highs in the mid 60s to mid 70s. Northwest wind 5 to 15 Mph in the afternoon.

Tonight 30 Aug Western Chelan County

Partly cloudy. Haze overnight. Lows in the upper 40s to upper 50s. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Square Lake Temperature Statistics

August Temperature

Stampede Pass (27.3 miles)

  • Lowest 3 August, 2026

    42.1 °F

  • Average August

    58.9 °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

    41.6 °F

  • Average High 2021–2026

    48.3 °F
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