Gary Weather Forecast

    • 30
    • 43

    Chance Snow

    • 34
    • 45

    Mostly Cloudy

    • 32
    • 47

    Mostly Cloudy

    • 29
    • 51

    Chance Rain/Snow

    • 19
    • 40

    Partly Sunny

    • 26
    • 41

    Mostly Cloudy

Today 18 Mar Carlton/South St. Louis

Mostly cloudy with a slight chance of very light freezing drizzle. A slight chance of snow this Morning, then a slight chance of drizzle this afternoon. Not as cool with Highs in the lower 40s. Southwest Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 18 Mar Carlton/South St. Louis

Mostly cloudy with a chance of snow. A chance of Rain, drizzle and freezing rain in the Evening, then a slight chance of freezing rain after midnight. Little or no snow accumulation. Ice accumulation around a trace. Not as cool with Lows in the upper 20s. Southwest Winds around 5 Mph, becoming northwest after midnight. Chance of precipitation 40 percent.

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Gary Temperature Statistics

March Temperature

Richard I. Bong Airport (6.2 miles)

  • Lowest 1 March, 2026

    -3.3 °F

  • Average March

    31.2 °F

  • Highest 8 March, 2026

    54.5 °F

Climate (2021–Present)

Richard I. Bong Airport (6.2 miles)

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  • Average Low 2021–2026

    33.7 °F

  • Average 2021–2026

    43.1 °F

  • Average High 2021–2026

    51.4 °F
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