Hart Lake Weather Forecast

    • 37
    • 51

    Increasing Clouds

    • 38
    • 49

    Mostly Cloudy

    • 31
    • 43

    Rain Showers

    • 33
    • 40

    Chance Snow Showers

    • 38
    • 50

    Mostly Sunny

    • 39
    • 54

    Partly Sunny

Today 23 May Western Chelan County

Sunny in the Morning, becoming partly cloudy. Highs in the upper 60s to upper 70s. West wind 5 to 15 Mph in the afternoon. Gusts up to 30 Mph. In the Mountains, west wind 5 to 15 Mph with Gusts up to 25 Mph increasing to 10 to 20 Mph with Gusts up to 35 Mph in the afternoon.

Tonight 23 May Western Chelan County

Partly cloudy. Lows in the mid 40s to mid 50s. Northwest wind 5 to 15 Mph in the Evening, becoming light and Variable, Gusts up to 35 Mph. In the Mountains, west wind 15 to 25 Mph, Gusts up to 40 Mph decreasing to 30 Mph overnight.

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Hart Lake Temperature Statistics

May Temperature

Arlington Municipal Airport (59.7 miles)

  • Lowest 18 May, 2026

    42.1 °F

  • Average May

    56.4 °F

  • Highest 12 May, 2026

    84 °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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