Gary Weather Forecast

    • 52
    • 64

    Decreasing Clouds

    • 54
    • 66

    Partly Sunny

    • 54
    • 67

    Partly Sunny

    • 57
    • 69

    Mostly Sunny

    • 63
    • 72

    Chance Rain Showers

    • 63
    • 72

    Chance Rain Showers

Today 25 Sep Lake

Mostly cloudy. Highs in the mid 60s. East Winds around 5 Mph.

Tonight 25 Sep Lake

Partly cloudy in the Evening, then clearing. Lows around 50. East Winds around 5 Mph.

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Gary Temperature Statistics

September Temperature

Gary Regional Airport (3.1 miles)

  • Lowest 14 September, 2026

    51.8 °F

  • Average September

    72.1 °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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