Hart Lake Weather Forecast

    • 36
    • 46

    Rain Showers Likely

    • 37
    • 48

    Chance Rain Showers

    • 42
    • 54

    Chance Rain Showers

    • 42
    • 49

    Chance Rain Showers

    • 44
    • 54

    Partly Sunny

    • 46
    • 59

    Partly Sunny

Today 4 Sep Western Chelan County

Mostly cloudy. Rain Showers likely and a chance of Thunderstorms in the afternoon. Highs in the lower 60s to lower 70s. Chance of precipitation 70 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 4 Sep Western Chelan County

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of rain Showers overnight. Lows in the lower 40s to lower 50s. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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Hart Lake Temperature Statistics

September Temperature

Arlington Municipal Airport (59.7 miles)

  • Lowest 1 September, 2026

    51.1 °F

  • Average September

    61.1 °F

  • Highest 1 September, 2026

    70 °F

Climate (2021–2026)

Arlington Municipal Airport (59.7 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.9 °F
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