Chicago Weather Forecast

    • 64
    • 74

    Increasing Clouds

    • 67
    • 71

    Rain Showers Likely

    • 62
    • 72

    Rain Showers

    • 56
    • 63

    Chance Rain Showers

    • 55
    • 61

    Chance Rain Showers

    • 53
    • 63

    Partly Sunny

Today 29 Sep Central Cook

Sunny late in the Morning, then becoming mostly cloudy. Highs in the mid 70s. South Winds around 5 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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Chicago Temperature Statistics

September Temperature

Chicago, Chicago Midway Airport (8.7 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 (8.7 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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