South Side Weather Forecast

    • 73
    • 83

    Rain Showers Likely

    • 66
    • 82

    Rain Showers Likely

    • 62
    • 75

    Mostly Sunny

    • 65
    • 80

    Chance Rain Showers

    • 66
    • 84

    Chance Rain Showers

    • 65
    • 80

    Chance Rain Showers

Today 8 Sep Central Cook

Mostly cloudy in the Morning, then becoming partly cloudy. Highs in the upper 80s Inland, but only in the lower 80s near the lake. South Winds 5 to 10 Mph.

Tonight 8 Sep Central Cook

Mostly cloudy. A slight chance of Showers after midnight. A slight chance of Thunderstorms after midnight. A chance of Showers late. Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of precipitation 50 percent.

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South Side Temperature Statistics

September Temperature

Chicago, Chicago Midway Airport (7.5 miles)

  • Lowest 5 September, 2026

    73.9 °F

  • Average September

    83.8 °F

  • Highest 2 September, 2026

    96.1 °F

Climate (2021–2026)

Chicago, Chicago Midway Airport (7.5 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    61.9 °F
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