Hart Lake Weather Forecast

    • 70
    • 98

    Hot

    • 67
    • 98

    Hot

    • 66
    • 93

    Mostly Sunny

    • 67
    • 90

    Chance Thunderstorms

    • 65
    • 89

    Chance Thunderstorms

    • 62
    • 85

    Chance Thunderstorms

Today 14 Jul Eaton

Sunny. Highs in the upper 90s. West Winds 5 to 15 Mph. Heat index Readings 100 to 105.

Tonight 14 Jul Eaton

Mostly clear. Lows around 70. West Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.

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Hart Lake Temperature Statistics

July Temperature

Ionia County Airport (13.7 miles)

  • Lowest 7 July, 2026

    55.4 °F

  • Average July

    75.9 °F

  • Highest 1 July, 2026

    95 °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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