Indiana Dunes National Lakeshore Weather Forecast

    • 29
    • 38

    Decreasing Clouds

    • 41
    • 47

    Rain Showers

    • 47
    • 67

    Rain Showers

    • 39
    • 57

    Mostly Cloudy

    • 40
    • 49

    Chance Rain Showers

    • 37
    • 49

    Chance Rain Showers

Today 31 Mar Porter

Mostly cloudy late morning through mid Afternoon, then becoming partly cloudy. Highs around 40. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 31 Mar Porter

Mostly clear. Lows in the upper 20s. Northeast Winds 5 to 10 Mph.

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Indiana Dunes National Lakeshore Temperature Statistics

March Temperature

Michigan City Municipal Airport (11.8 miles)

  • Lowest 2 March, 2025

    15.8 °F

  • Average March

    42.3 °F

  • Highest 14 March, 2025

    77 °F

Climate (2020–Present)

Michigan City Municipal Airport (11.8 miles)

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  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    50.7 °F

  • Average High 2020–2025

    59 °F
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