Gary Weather Forecast

    • 64
    • 80

    Mostly Sunny

    • 64
    • 84

    Partly Sunny

    • 65
    • 80

    Chance Rain Showers

    • 65
    • 79

    Chance Thunderstorms

    • 63
    • 77

    Chance Rain Showers

    • 62
    • 75

    Chance Rain Showers

Today 18 Sep Lake

Sunny. Patchy fog through mid morning. Highs in the mid 80s Inland, but only around 80 near the lake. Southeast Winds around 5 Mph, becoming northeast in the afternoon.

Tonight 18 Sep Lake

Mostly clear. Lows in the lower 60s. East Winds around 5 Mph.

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Gary Temperature Statistics

September Temperature

Gary Regional Airport (3.1 miles)

  • Lowest 8 September, 2025

    42.8 °F

  • Average September

    64.1 °F

  • Highest 10 September, 2025

    84.2 °F

Climate (2020–Present)

Gary Regional Airport (3.1 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    60.8 °F
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