South Chicago Heights Weather Forecast

    • 63
    • 79

    Mostly Sunny

    • 62
    • 83

    Mostly Sunny

    • 67
    • 87

    Mostly Sunny

    • 67
    • 87

    Rain Showers Likely

    • 64
    • 82

    Chance Rain Showers

    • 65
    • 84

    Slight Chance Thunderstorms

    • 67
    • 86

    Mostly Sunny

Today 6 Jul Southern Cook

Mostly sunny. Highs in the upper 70s. Northeast Winds around 10 Mph.

Tonight 6 Jul Southern Cook

Mostly clear. Lows in the lower 60s. North Winds 5 to 10 Mph.

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South Chicago Heights Temperature Statistics

July Temperature

Lansing Municipal Airport (6.8 miles)

  • Lowest 4 July, 2026

    68.9 °F

  • Average July

    78.8 °F

  • Highest 2 July, 2026

    93.4 °F

Climate (2021–2026)

Lansing Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    60.5 °F
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