South Side Weather Forecast

    • 63
    • 73

    Increasing Clouds

    • 67
    • 71

    Rain Showers Likely

    • 61
    • 73

    Rain Showers

    • 54
    • 63

    Chance Rain Showers

    • 53
    • 61

    Chance Rain Showers

    • 51
    • 63

    Partly Sunny

Today 29 Sep Central Cook

Partly cloudy. Areas of fog early in the morning. Highs in the mid 70s Inland, but only in the lower 70s near the lake. South Winds 5 to 10 Mph.

Tonight 29 Sep Central Cook

Mostly cloudy. A slight chance of Showers late. Lows in the lower 60s. South Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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South Side Temperature Statistics

September Temperature

Chicago, Chicago Midway Airport (7.5 miles)

  • Lowest 27 September, 2026

    50 °F

  • Average September

    71.2 °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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