Hart Lake Weather Forecast

    • 33
    • 53

    Mostly Cloudy

    • 31
    • 50

    Chance Rain Showers

    • 37
    • 53

    Chance Rain Showers

    • 35
    • 55

    Mostly Sunny

    • 37
    • 57

    Partly Sunny

    • 35
    • 57

    Slight Chance Rain Showers

Today 31 Oct Eaton

Partly sunny. Highs in the lower 50s. Northwest Winds 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 31 Oct Eaton

Partly cloudy. A 20 percent chance of rain Showers after midnight. Lows in the mid 30s. West Winds 5 to 10 Mph with Gusts to around 25 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hart Lake Temperature Statistics

October Temperature

Ionia County Airport (13.7 miles)

  • Lowest 25 October, 2025

    28.4 °F

  • Average October

    54 °F

  • Highest 4 October, 2025

    87.8 °F

Climate (2020–Present)

Ionia County Airport (13.7 miles)

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  • Average Low 2020–2025

    41.1 °F

  • Average 2020–2025

    50.1 °F

  • Average High 2020–2025

    59.1 °F
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