Hart Lake Weather Forecast

    • 35
    • 51

    Mostly Sunny

    • 38
    • 53

    Mostly Sunny

    • 35
    • 52

    Partly Sunny

    • 35
    • 48

    Rain/Snow Likely

    • 31
    • 40

    Snow Showers Likely

    • 35
    • 42

    Slight Chance Snow Showers

Today 21 May Western Chelan County

Sunny in the Morning, becoming partly cloudy. Highs in the upper 60s to upper 70s.

Tonight 21 May Western Chelan County

Mostly clear. Lows in the mid 40s to mid 50s. Gusts up to 20 Mph in the evening.

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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

    56.6 °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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