Indiana Dunes National Lakeshore Weather Forecast

    • 61
    • 69

    Partly Sunny

    • 66
    • 76

    Partly Sunny

    • 69
    • 87

    Thunderstorms Likely

    • 65
    • 81

    Thunderstorms Likely

    • 63
    • 76

    Slight Chance Thunderstorms

    • 70
    • 83

    Slight Chance Thunderstorms

Today 15 Jun Porter

Mostly sunny through mid Morning, then becoming partly cloudy. Highs around 80 Inland, but only around 70 near the lake. Northeast Winds 5 to 10 Mph.

Tonight 15 Jun Porter

Partly cloudy. Lows in the lower 60s. Northeast Winds around 5 Mph, becoming east after midnight.

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Indiana Dunes National Lakeshore Temperature Statistics

June Temperature

Michigan City Municipal Airport (11.8 miles)

  • Lowest 1 June, 2025

    35.6 °F

  • Average June

    64.3 °F

  • Highest 3 June, 2025

    86 °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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