Gary Weather Forecast

    • 67
    • 86

    Thunderstorms

    • 67
    • 73

    Chance Thunderstorms

    • 66
    • 74

    Chance Thunderstorms

    • 65
    • 76

    Chance Rain Showers

    • 67
    • 83

    Rain Showers Likely

    • 63
    • 77

    Chance Rain Showers

    • 60
    • 73

    Slight Chance Thunderstorms

Today 15 Sep Lake

Partly cloudy. A slight chance of Showers and Thunderstorms. Temperatures in the upper 80s. West Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 15 Sep Lake

Showers and Thunderstorms likely. Humid. Lows in the mid 60s. North Winds around 5 Mph. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gary Temperature Statistics

September Temperature

Gary Regional Airport (3.1 miles)

  • Lowest 11 September, 2026

    55.4 °F

  • Average September

    75.7 °F

  • Highest 2 September, 2026

    98.6 °F

Climate (2021–2026)

Gary Regional Airport (3.1 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    61.4 °F
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