Bertha Brock Park Weather Forecast

    • 68
    • 82

    Chance Rain Showers

    • 61
    • 78

    Rain Showers Likely

    • 50
    • 77

    Partly Sunny

    • 57
    • 78

    Mostly Sunny

    • 61
    • 82

    Chance Rain Showers

    • 56
    • 77

    Chance Rain Showers

    • 61
    • 75

    Chance Rain Showers

Today 8 Sep Ionia

Partly sunny. Highs in the lower 80s. South Winds 5 to 10 Mph.

Tonight 8 Sep Ionia

Mostly cloudy. Isolated Showers in the Evening, then scattered Showers and Thunderstorms after midnight. Lows in the upper 60s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

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Bertha Brock Park Temperature Statistics

September Temperature

Ionia County Airport (3.7 miles)

  • Lowest 6 September, 2026

    53.6 °F

  • Average September

    73.3 °F

  • Highest 2 September, 2026

    93.2 °F

Climate (2021–2026)

Ionia County Airport (3.7 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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