Bertha Brock Park Weather Forecast

    • 46
    • 65

    Rain Showers

    • 40
    • 52

    Mostly Cloudy

    • 42
    • 65

    Partly Sunny

    • 54
    • 69

    Chance Rain Showers

    • 53
    • 79

    Slight Chance Rain Showers

    • 59
    • 79

    Chance Thunderstorms

Today 12 May Ionia

A slight chance of rain Showers in the Morning, then rain Showers likely and a slight chance of Thunderstorms in the afternoon. Highs in the mid 60s. South Winds 5 to 15 Mph with Gusts to around 25 Mph increasing to 15 to 20 Mph with Gusts to around 35 Mph in the afternoon. Chance of rain 70 percent.

Tonight 12 May Ionia

Rain Showers likely and a chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid 40s. Southwest Winds 15 to 20 Mph becoming west 10 to 15 Mph after midnight. Gusts up to 35 Mph. Chance of rain 70 percent.

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Bertha Brock Park Temperature Statistics

May Temperature

Ionia County Airport (3.7 miles)

  • Lowest 2 May, 2026

    30.2 °F

  • Average May

    50.1 °F

  • Highest 4 May, 2026

    77 °F

Climate (2021–Present)

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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