Ionia Weather Forecast

    • 63
    • 85

    Rain Showers

    • 61
    • 82

    Partly Sunny

    • 63
    • 81

    Rain Showers Likely

    • 63
    • 81

    Rain Showers Likely

    • 62
    • 78

    Chance Thunderstorms

    • 59
    • 75

    Chance Rain Showers

    • 56
    • 74

    Chance Rain Showers

Today 18 Sep Benton

Partly sunny with a chance of Showers and Thunderstorms. Some Thunderstorms may produce gusty Winds and small hail. Hot. Near steady temperature in the mid 80s. South Winds around 5 Mph. Chance of rain 50 percent.

Tonight 18 Sep Benton

Numerous Showers and scattered Thunderstorms Early, then a chance of Showers and Thunderstorms. Some Thunderstorms may be severe with damaging Winds and large Hail, then some Thunderstorms may produce gusty Winds and small hail. Humid with Lows in the mid 60s. Southwest Winds around 5 Mph, becoming south around 5 Mph. Chance of rain 70 percent.

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Ionia Temperature Statistics

September Temperature

Sedalia, Sedalia Memorial Airport (16.2 miles)

  • Lowest 6 September, 2025

    46.9 °F

  • Average September

    71.5 °F

  • Highest 12 September, 2025

    95 °F

Climate (2020–Present)

Sedalia, Sedalia Memorial Airport (16.2 miles)

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  • Average Low 2020–2025

    48 °F

  • Average 2020–2025

    57.7 °F

  • Average High 2020–2025

    67.8 °F
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