Hegewisch Weather Forecast

    • 76
    • 96

    Mostly Sunny

    • 76
    • 96

    Mostly Sunny

    • 75
    • 94

    Slight Chance Thunderstorms

    • 74
    • 91

    Chance Thunderstorms

    • 72
    • 92

    Chance Thunderstorms

    • 70
    • 86

    Slight Chance Thunderstorms

Today 14 Jul Central Cook

Sunny, hot. Highs in the upper 90s Inland, but only in the lower 90s near the lake. Northwest Winds around 5 Mph, becoming southeast in the afternoon. Heat index Values around 100 away from the lake.

Tonight 14 Jul Central Cook

Clear with Lows in the upper 70s. West Winds around 5 Mph. Heat index Values up to 100 early in the evening.

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Hegewisch Temperature Statistics

July Temperature

Gary Regional Airport (6.8 miles)

  • Lowest 8 July, 2026

    66.2 °F

  • Average July

    76.9 °F

  • Highest 2 July, 2026

    96.8 °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

    61.3 °F
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