Gary Weather Forecast

    • 67
    • 76

    Mostly Cloudy

    • 63
    • 77

    Mostly Sunny

    • 66
    • 79

    Chance Rain Showers

    • 64
    • 76

    Slight Chance Thunderstorms

    • 61
    • 74

    Partly Sunny

    • 62
    • 75

    Partly Sunny

Today 19 Aug Lake

Mostly cloudy. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s. North Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 19 Aug Lake

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 60s. Northeast Winds 5 to 10 Mph.

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Gary Temperature Statistics

August Temperature

Gary Regional Airport (3.1 miles)

  • Lowest 9 August, 2026

    64.4 °F

  • Average August

    74.2 °F

  • Highest 7 August, 2026

    89.6 °F

Climate (2021–2026)

Gary Regional Airport (3.1 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.4 °F
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