Indiana Dunes National Lakeshore Weather Forecast

    • 48
    • 66

    Rain Showers

    • 44
    • 55

    Chance Rain Showers

    • 43
    • 50

    Mostly Sunny

    • 48
    • 56

    Mostly Sunny

    • 50
    • 61

    Mostly Sunny

    • 51
    • 62

    Partly Sunny

Today 1 May Porter

Showers with a chance of Thunderstorms. Breezy with Highs in the upper 60s. Temperature falling into the upper 50s in the afternoon. South Winds 15 to 20 Mph, becoming west in the afternoon. Gusts up to 30 Mph. Chance of precipitation near 100 percent.

Tonight 1 May Porter

Mostly cloudy. Showers likely in the evening. A slight chance of Thunderstorms. A slight chance of Showers after midnight. Lows in the upper 40s. West Winds 5 to 10 Mph. Chance of precipitation 60 percent.

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Indiana Dunes National Lakeshore Temperature Statistics

May Temperature

Michigan City Municipal Airport (11.8 miles)

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  • Average May

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Climate (2020–Present)

Michigan City Municipal Airport (11.8 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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