Chicago O'Hare International Airport Weather Forecast

    • 51
    • 72

    Becoming Sunny

    • 53
    • 70

    Mostly Cloudy

    • 53
    • 73

    Mostly Cloudy

    • 51
    • 67

    Mostly Cloudy

    • 49
    • 62

    Mostly Cloudy

    • 51
    • 66

    Partly Sunny

Today 23 Oct Central Cook

Mostly sunny. Patchy fog early in the morning. Highs in the lower 70s Inland, but only in the upper 60s near the lake. Southeast Winds around 5 Mph.

Tonight 23 Oct Central Cook

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. Southeast Winds around 5 Mph.

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Chicago O'Hare International Airport Temperature Statistics

October Temperature

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