Hart Lake Weather Forecast

    • 57
    • 82

    Decreasing Clouds

    • 57
    • 83

    Sunny

    • 60
    • 86

    Mostly Sunny

    • 63
    • 86

    Mostly Cloudy

    • 61
    • 80

    Chance Thunderstorms

    • 59
    • 82

    Slight Chance Thunderstorms

Today 28 Jul Eaton

Mostly sunny. Highs in the lower 80s. North Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 28 Jul Eaton

Mostly clear. Lows in the mid 50s. North Winds 5 to 15 Mph with Gusts to around 25 Mph in the evening becoming light.

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  • Temperature Real-Time

Hart Lake Temperature Statistics

July Temperature

Ionia County Airport (13.7 miles)

  • Lowest 23 July, 2026

    48.2 °F

  • Average July

    74.7 °F

  • Highest 14 July, 2026

    98.6 °F

Climate (2021–2026)

Ionia County Airport (13.7 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    59 °F
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