South Chicago Heights Weather Forecast

    • 40
    • 54

    Mostly Cloudy

    • 39
    • 61

    Mostly Sunny

    • 40
    • 58

    Partly Sunny

    • 41
    • 57

    Chance Rain

    • 39
    • 54

    Slight Chance Rain

    • 40
    • 56

    Chance Rain

Today 25 Oct Southern Cook

Partly cloudy in the Morning, then becoming mostly cloudy. A slight chance of Sprinkles in the afternoon. Highs in the mid 50s. East Winds around 5 Mph.

Tonight 25 Oct Southern Cook

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 40s. East Winds around 5 Mph.

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South Chicago Heights Temperature Statistics

October Temperature

Lansing Municipal Airport (6.8 miles)

  • Lowest 20 October, 2025

    34.9 °F

  • Average October

    60 °F

  • Highest 3 October, 2025

    86.9 °F

Climate (2020–Present)

Lansing Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    51.6 °F

  • Average High 2020–2025

    60.4 °F
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