Gary/Chicago International Airport Weather Forecast

    • 33
    • 41

    Increasing Clouds

    • 31
    • 47

    Rain/Snow Likely

    • 19
    • 38

    Rain/Snow

    • 22
    • 27

    Chance Snow

    • 20
    • 33

    Chance Snow

    • 12
    • 27

    Chance Snow

Today 12 Jan Lake

Mostly cloudy in the Morning, then clearing. Highs in the lower 40s. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph in the morning.

Tonight 12 Jan Lake

Mostly clear in the Evening, then becoming mostly cloudy. Near steady temperature in the mid 30s. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Gary/Chicago International Airport Temperature Statistics

January Temperature

Gary Regional Airport (0 miles)

  • Lowest 1 January, 2026

    14 °F

  • Average January

    35.6 °F

  • Highest 8 January, 2026

    64.4 °F

Climate (2021–Present)

Gary Regional Airport (0 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    60.9 °F
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