Chicago O'Hare International Airport Weather Forecast

    • 43
    • 56

    Chance Rain Showers

    • 39
    • 52

    Partly Sunny

    • 37
    • 53

    Mostly Sunny

    • 45
    • 58

    Mostly Cloudy

    • 48
    • 59

    Chance Rain Showers

    • 50
    • 61

    Slight Chance Rain Showers

Today 21 Oct Central Cook

Partly cloudy in the Morning, then becoming mostly cloudy. A chance of Showers in the late morning and afternoon. Windy with Highs in the mid 50s. West Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming 15 to 25 Mph with Gusts up to 40 Mph in the afternoon. Chance of precipitation 50 percent.

Tonight 21 Oct Central Cook

Mostly cloudy. A chance of Showers in the evening. Breezy. Near steady temperature in the mid 40s. West Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of precipitation 30 percent.

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Chicago O'Hare International Airport Temperature Statistics

October Temperature

Chicago, Chicago-O'Hare International Airport (0 miles)

  • Lowest 9 October, 2025

    46 °F

  • Average October

    64.5 °F

  • Highest 3 October, 2025

    88 °F

Climate (2020–Present)

Chicago, Chicago-O'Hare International Airport (0 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    61.8 °F
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