O'Hare Weather Forecast

    • 49
    • 71

    Mostly Sunny

    • 51
    • 71

    Partly Sunny

    • 53
    • 70

    Mostly Cloudy

    • 53
    • 73

    Mostly Cloudy

    • 50
    • 67

    Partly Sunny

Today 22 Oct Central Cook

Sunny. Highs in the lower 70s Inland, but only in the upper 60s near the lake. North Winds around 5 Mph, becoming northeast in the afternoon.

Tonight 22 Oct Central Cook

Mostly clear in the Evening, then becoming partly cloudy. Patchy dense fog late. Lows around 50. East 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

    62.1 °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

    53.5 °F

  • Average High 2021–2026

    61.9 °F
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