South Chicago Heights Weather Forecast

    • 72
    • 88

    Partly Sunny

    • 66
    • 86

    Rain Showers Likely

    • 57
    • 81

    Mostly Sunny

    • 63
    • 83

    Partly Sunny

    • 64
    • 87

    Slight Chance Rain Showers

    • 63
    • 84

    Partly Sunny

Today 8 Sep Southern Cook

Partly cloudy. Highs in the upper 80s. South Winds 5 to 10 Mph.

Tonight 8 Sep Southern Cook

Partly cloudy. Lows in the lower 60s. Southeast Winds around 5 Mph.

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South Chicago Heights Temperature Statistics

September Temperature

Lansing Municipal Airport (6.8 miles)

  • Lowest 2 September, 2026

    71.6 °F

  • Average September

    81.1 °F

  • Highest 2 September, 2026

    94.6 °F

Climate (2021–2026)

Lansing Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    60.4 °F
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