Lake Michigan Weather Forecast

    • 19
    • 26

    Blustery

    • 26
    • 29

    Snow Likely

    • 17
    • 33

    Snow Likely

    • 20
    • 23

    Partly Sunny

    • 25
    • 30

    Partly Sunny

    • 26
    • 31

    Mostly Cloudy

    • 30
    • 35

    Partly Sunny

Today 29 Dec Lake

Cloudy. Areas of blowing and Drifting snow. A chance of snow. Little or no snow accumulation. Blustery. Near steady temperature in the lower 20s. Northwest Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of precipitation 40 percent.

Tonight 29 Dec Lake

Cloudy, Blustery with Lows around 15. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to 10 to 15 Mph after midnight.

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Lake Michigan Temperature Statistics

December Temperature

Gary Regional Airport (6.8 miles)

  • Lowest 14 December, 2025

    1.4 °F

  • Average December

    29 °F

  • Highest 23 December, 2025

    57.2 °F

Climate (2020–Present)

Gary Regional Airport (6.8 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    51.5 °F

  • Average High 2020–2025

    60.9 °F
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