Grand Beach Weather Forecast

    • 65
    • 76

    Mostly Sunny

    • 69
    • 78

    Mostly Sunny

    • 65
    • 78

    Mostly Sunny

    • 61
    • 71

    Partly Sunny

    • 60
    • 67

    Partly Sunny

    • 59
    • 68

    Mostly Sunny

Today 21 Aug Southern Berrien

Mostly sunny. Highs around 80. Northeast Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 21 Aug Southern Berrien

Clear. Lows around 60. North Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming east after midnight.

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Grand Beach Temperature Statistics

August Temperature

Michigan City Municipal Airport (5 miles)

  • Lowest 2 August, 2025

    51.8 °F

  • Average August

    72.4 °F

  • Highest 16 August, 2025

    91.4 °F

Climate (2020–Present)

Michigan City Municipal Airport (5 miles)

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  • Average Low 2020–2025

    42.1 °F

  • Average 2020–2025

    50.8 °F

  • Average High 2020–2025

    59.1 °F
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