Hart Lake Weather Forecast

    • 37
    • 43

    Rain Showers

    • 38
    • 49

    Mostly Cloudy

    • 38
    • 50

    Slight Chance Rain Showers

    • 43
    • 58

    Sunny

    • 46
    • 63

    Sunny

    • 46
    • 63

    Mostly Sunny

Today 13 Sep Western Chelan County

Rain Showers. Highs in the upper 50s to upper 60s. Chance of precipitation near 100 percent. Rainfall Amounts up to an inch possible.

Tonight 13 Sep Western Chelan County

Mostly cloudy. A chance of rain Showers. Lows in the mid to upper 40s. Northwest wind 5 to 15 Mph overnight. Gusts up to 35 Mph, except 30 Mph in the Mountains. In the Mountains, west wind 5 to 15 Mph increasing to 10 to 20 Mph overnight. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an inch.

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Hart Lake Temperature Statistics

September Temperature

Arlington Municipal Airport (59.7 miles)

  • Lowest 8 September, 2026

    46 °F

  • Average September

    60.7 °F

  • Highest 9 September, 2026

    78.1 °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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