Hegewisch Weather Forecast

    • 68
    • 78

    Rain Showers Likely

    • 69
    • 78

    Rain Showers Likely

    • 72
    • 85

    Rain Showers Likely

    • 68
    • 84

    Chance Thunderstorms

    • 64
    • 76

    Partly Sunny

    • 66
    • 79

    Partly Sunny

Today 13 Aug Central Cook

Mostly cloudy. Patchy fog early in the morning. A chance of Thunderstorms early in the afternoon. A chance of Showers in the afternoon. A slight chance of Thunderstorms late. Humid. Highs in the upper 70s. East Winds 5 to 10 Mph. Chance of precipitation 50 percent.

Tonight 13 Aug Central Cook

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then Showers likely with a chance of Thunderstorms after midnight. Humid. Near steady temperature around 70. East Winds 5 to 10 Mph. Chance of precipitation 70 percent.

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Hegewisch Temperature Statistics

August Temperature

Gary Regional Airport (6.8 miles)

  • Lowest 9 August, 2026

    64.4 °F

  • Average August

    73.9 °F

  • Highest 7 August, 2026

    89.6 °F

Climate (2021–2026)

Gary Regional Airport (6.8 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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