South Chicago Heights Weather Forecast

    • 42
    • 70

    Mostly Sunny

    • 46
    • 72

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

    • 48
    • 69

    Partly Sunny

    • 52
    • 70

    Partly Sunny

    • 52
    • 72

    Mostly Cloudy

Today 20 Oct Southern Cook

Sunny. Patchy fog early in the morning. Highs in the upper 60s. Light and variable Winds, becoming east 5 to 10 Mph in the afternoon.

Tonight 20 Oct Southern Cook

Mostly clear in the Evening, then becoming partly cloudy. Patchy dense fog late. Lows in the mid 40s. East Winds around 5 Mph in the Evening, becoming light and variable.

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South Chicago Heights Temperature Statistics

October Temperature

Lansing Municipal Airport (6.8 miles)

  • Lowest 17 October, 2026

    40.1 °F

  • Average October

    60.6 °F

  • Highest 12 October, 2026

    87.8 °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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