Ionia Weather Forecast

    • 62
    • 83

    Thunderstorms Likely

    • 55
    • 80

    Partly Sunny

    • 56
    • 80

    Mostly Sunny

    • 67
    • 85

    Slight Chance Thunderstorms

    • 72
    • 92

    Chance Thunderstorms

    • 67
    • 90

    Chance Rain Showers

Today 19 Jul Ionia

A chance of Showers and Thunderstorms through early Afternoon, then Showers and Thunderstorms likely. Highs in the lower 80s. Southwest Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 19 Jul Ionia

Partly cloudy. A 40 percent chance of Showers and Thunderstorms in the evening. Lows in the lower 60s. Northwest Winds 5 to 10 Mph becoming north overnight.

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Ionia Temperature Statistics

July Temperature

Ionia County Airport (3.1 miles)

  • Lowest 15 July, 2025

    55.4 °F

  • Average July

    74.1 °F

  • Highest 5 July, 2025

    91.4 °F

Climate (2020–Present)

Ionia County Airport (3.1 miles)

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  • Average Low 2020–2025

    41 °F

  • Average 2020–2025

    50 °F

  • Average High 2020–2025

    58.9 °F
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