Hart Lake Weather Forecast

    • 49
    • 84

    Rain Showers Likely

    • 40
    • 64

    Partly Sunny

    • 44
    • 63

    Mostly Cloudy

    • 51
    • 65

    Rain Showers Likely

    • 51
    • 70

    Mostly Cloudy

    • 54
    • 75

    Partly Sunny

Today 19 May Eaton

A chance of Showers and a slight chance of Thunderstorms late in the Morning, then Showers likely and a chance of Thunderstorms in the afternoon. Highs in the mid 80s. Southwest Winds 15 to 20 Mph with Gusts to around 35 Mph. Chance of rain 70 percent.

Tonight 19 May Eaton

Rain Showers likely and a chance of Thunderstorms in the Evening, then a slight chance of rain Showers after midnight. Lows around 50. West Winds 10 to 15 Mph with Gusts to around 30 Mph becoming northwest with Gusts to around 20 Mph after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hart Lake Temperature Statistics

May Temperature

Ionia County Airport (13.7 miles)

  • Lowest 2 May, 2026

    30.2 °F

  • Average May

    52.8 °F

  • Highest 17 May, 2026

    84.2 °F

Climate (2021–Present)

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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