Chicago Weather Forecast

    • 73
    • 91

    Rain Showers Likely

    • 73
    • 81

    Chance Thunderstorms

    • 72
    • 79

    Slight Chance Thunderstorms

    • 70
    • 81

    Partly Sunny

    • 70
    • 80

    Partly Sunny

    • 72
    • 81

    Chance Rain Showers

Today 3 Sep Central Cook

Mostly cloudy. A slight chance of Showers and Thunderstorms in the morning. A chance of Showers and Thunderstorms late. Hot, humid with Highs in the lower 90s. West Winds 5 to 10 Mph. Chance of precipitation 30 percent.

Tonight 3 Sep Central Cook

Mostly cloudy. A chance of Showers and Thunderstorms. Humid with Lows in the lower 70s. Southeast Winds 5 to 10 Mph, becoming east after midnight. Chance of precipitation 50 percent.

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Chicago Temperature Statistics

September Temperature

Chicago, Chicago Midway Airport (8.7 miles)

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  • Average September

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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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