Hart Lake Weather Forecast

    • 33
    • 47

    Mostly Cloudy

    • 37
    • 51

    Mostly Sunny

    • 41
    • 57

    Chance Rain Showers

    • 36
    • 50

    Chance Rain Showers

    • 34
    • 46

    Chance Rain/Snow

    • 31
    • 42

    Chance Snow Showers

Today 10 May Western Chelan County

Mostly cloudy. Highs in the lower 60s to lower 70s. Gusts up to 30 Mph in the afternoon.

Tonight 10 May Western Chelan County

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

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Hart Lake Temperature Statistics

May Temperature

Arlington Municipal Airport (59.7 miles)

  • Lowest 1 May, 2026

    46 °F

  • Average May

    59.7 °F

  • Highest 4 May, 2026

    79 °F

Climate (2021–Present)

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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