Indiana Dunes National Lakeshore Weather Forecast

    • 29
    • 36

    Increasing Clouds

    • 39
    • 51

    Mostly Cloudy

    • 52
    • 64

    Mostly Cloudy

    • 32
    • 65

    Chance Rain Showers

    • 30
    • 38

    Mostly Sunny

    • 36
    • 49

    Mostly Sunny

    • 41
    • 54

    Partly Sunny

Today 23 Mar Porter

Sunny. Temperatures in the upper 30s. North Winds 15 to 20 Mph with Gusts up to 25 Mph.

Tonight 23 Mar Porter

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 20s. Northeast Winds 10 to 15 Mph, becoming southeast around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Indiana Dunes National Lakeshore Temperature Statistics

March Temperature

Michigan City Municipal Airport (11.8 miles)

  • Lowest 1 March, 2026

    23 °F

  • Average March

    42.4 °F

  • Highest 6 March, 2026

    73.4 °F

Climate (2021–Present)

Michigan City Municipal Airport (11.8 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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