Oak Brook Weather Forecast

    • 61
    • 78

    Increasing Clouds

    • 71
    • 86

    Mostly Sunny

    • 60
    • 83

    Chance Rain Showers

    • 56
    • 70

    Chance Rain Showers

    • 51
    • 68

    Rain Showers Likely

    • 42
    • 61

    Mostly Cloudy

Today 11 Oct DuPage

Mostly sunny. Highs around 60.

Tonight 11 Oct DuPage

Clear in the Evening, then becoming mostly cloudy. Lows around 60. South Winds around 5 Mph.

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  • Temperature Real-Time

Oak Brook Temperature Statistics

October Temperature

Chicago, Chicago-O'Hare International Airport (9.9 miles)

  • Lowest 5 October, 2026

    47.6 °F

  • Average October

    62.7 °F

  • Highest 7 October, 2026

    79.6 °F

Climate (2021–2026)

Chicago, Chicago-O'Hare International Airport (9.9 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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