O'Hare Weather Forecast

    • 65
    • 78

    Decreasing Clouds

    • 62
    • 79

    Mostly Sunny

    • 65
    • 81

    Chance Rain Showers

    • 63
    • 80

    Slight Chance Thunderstorms

    • 61
    • 78

    Partly Sunny

    • 63
    • 78

    Partly Sunny

    • 66
    • 81

    Partly Sunny

Today 19 Aug Central Cook

Mostly cloudy. Temperatures in the mid 70s. Northeast Winds 5 to 10 Mph.

Tonight 19 Aug Central Cook

Mostly cloudy in the evening then clearing. Lows in the mid 60s. Northeast Winds 5 to 10 Mph.

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O'Hare Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2026

    62.7 °F

  • Average August

    75.8 °F

  • Highest 7 August, 2026

    87.7 °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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