Grand Mere State Park Weather Forecast

    • 66
    • 86

    Chance Thunderstorms

    • 60
    • 83

    Rain Showers

    • 64
    • 80

    Mostly Sunny

    • 70
    • 86

    Slight Chance Thunderstorms

    • 74
    • 91

    Mostly Sunny

    • 74
    • 93

    Mostly Sunny

Today 17 Jun Southern Berrien

Partly cloudy. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 17 Jun Southern Berrien

Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Showers and Thunderstorms. Lows in the mid 60s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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Grand Mere State Park Temperature Statistics

June Temperature

Southwest Michigan Regional Airport (10.6 miles)

  • Lowest 2 June, 2025

    34.6 °F

  • Average June

    65.3 °F

  • Highest 3 June, 2025

    88.6 °F

Climate (2020–Present)

Southwest Michigan Regional Airport (10.6 miles)

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  • Average Low 2020–2025

    43.5 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    60.6 °F
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