O'Hare Weather Forecast

    • 72
    • 95

    Rain Showers Likely

    • 74
    • 91

    Chance Thunderstorms

    • 70
    • 80

    Slight Chance Thunderstorms

    • 68
    • 83

    Partly Sunny

    • 67
    • 83

    Mostly Cloudy

    • 70
    • 83

    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

Partly cloudy. A slight chance of Showers and Thunderstorms. Lows in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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O'Hare Temperature Statistics

September Temperature

Chicago, Chicago-O'Hare International Airport (3.1 miles)

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Climate (2021–2026)

Chicago, Chicago-O'Hare International Airport (3.1 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    61.9 °F
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