Warren Dunes State Park Weather Forecast

    • 71
    • 89

    Chance Thunderstorms

    • 63
    • 81

    Mostly Cloudy

    • 61
    • 79

    Mostly Sunny

    • 63
    • 80

    Partly Sunny

    • 70
    • 82

    Chance Rain Showers

    • 69
    • 84

    Chance Rain Showers

Today 4 Sep Southern Berrien

Partly cloudy. A slight chance of Showers and Thunderstorms late this morning. Highs in the upper 80s. Southeast Winds around 5 Mph, becoming southwest this afternoon. Chance of rain 20 percent. Heat index Values in the upper 90s this afternoon.

Tonight 4 Sep Southern Berrien

Partly cloudy with a chance of Showers and Thunderstorms. Humid with Lows around 70. West Winds around 5 Mph. Chance of rain 40 percent.

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Warren Dunes State Park Temperature Statistics

September Temperature

Michigan City Municipal Airport (18 miles)

  • Lowest 1 September, 2026

    73.4 °F

  • Average September

    81.7 °F

  • Highest 2 September, 2026

    91.4 °F

Climate (2021–2026)

Michigan City Municipal Airport (18 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.3 °F
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