Indiana Dunes National Lakeshore Weather Forecast

    • 57
    • 68

    Mostly Sunny

    • 63
    • 77

    Rain Showers

    • 62
    • 75

    Mostly Cloudy

    • 64
    • 73

    Chance Rain Showers

    • 67
    • 77

    Slight Chance Thunderstorms

    • 72
    • 83

    Partly Sunny

    • 74
    • 87

    Mostly Sunny

Today 23 Jun Porter

Sunny in the Morning, then becoming partly cloudy. Highs in the lower 70s. North Winds 5 to 10 Mph.

Tonight 23 Jun Porter

Partly cloudy. Lows in the lower 50s. North Winds around 5 Mph, becoming south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Indiana Dunes National Lakeshore Temperature Statistics

June Temperature

Michigan City Municipal Airport (11.8 miles)

  • Lowest 3 June, 2026

    44.6 °F

  • Average June

    67.2 °F

  • Highest 10 June, 2026

    87.8 °F

Climate (2021–2026)

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

    59.4 °F
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