Hart Lake Weather Forecast

    • 44
    • 52

    Decreasing Clouds

    • 50
    • 65

    Mostly Sunny

    • 53
    • 70

    Mostly Sunny

    • 46
    • 64

    Partly Sunny

    • 41
    • 55

    Mostly Sunny

    • 41
    • 56

    Mostly Sunny

Today 23 Aug Western Chelan County

Mostly cloudy with a chance of rain Showers in the Morning, then partly cloudy in the afternoon. Highs in the upper 60s to upper 70s. Northwest wind 5 to 15 Mph in the afternoon. Gusts up to 35 Mph. Chance of precipitation 20 percent.

Tonight 23 Aug Western Chelan County

Mostly clear. Lows in the lower 50s to lower 60s. Gusts up to 25 Mph in the evening.

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Hart Lake Temperature Statistics

August Temperature

Arlington Municipal Airport (59.7 miles)

  • Lowest 3 August, 2026

    46.4 °F

  • Average August

    64.5 °F

  • Highest 6 August, 2026

    84.9 °F

Climate (2021–2026)

Arlington Municipal Airport (59.7 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.9 °F
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