O'Hare Weather Forecast

    • 43
    • 68

    Rain Showers

    • 52
    • 62

    Mostly Cloudy

    • 51
    • 60

    Rain Showers

    • 53
    • 65

    Chance Rain Showers

    • 56
    • 68

    Rain Showers Likely

    • 54
    • 68

    Rain Showers Likely

Today 29 Oct Central Cook

Mostly cloudy in the Morning, then becoming partly cloudy. Isolated Showers until late afternoon. Highs in the upper 60s. Southwest Winds around 10 Mph, becoming northwest in the afternoon. Chance of precipitation 20 percent.

Tonight 29 Oct Central Cook

Clear, cooler with Lows in the lower 40s in the Suburbs to the upper 40s Downtown. North Winds around 5 Mph.

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O'Hare Temperature Statistics

October Temperature

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

  • Lowest 17 October, 2026

    39.7 °F

  • Average October

    61.7 °F

  • Highest 12 October, 2026

    88.6 °F

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

    53.6 °F

  • Average High 2021–2026

    61.9 °F
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