Chicago O'Hare International Airport Weather Forecast

    • 49
    • 78

    Chance Thunderstorms

    • 45
    • 57

    Partly Sunny

    • 48
    • 62

    Mostly Cloudy

    • 52
    • 64

    Chance Rain Showers

    • 55
    • 72

    Chance Rain Showers

    • 58
    • 77

    Slight Chance Thunderstorms

Today 19 May Central Cook

Cloudy. A slight chance of Showers and Thunderstorms. Breezy with Highs in the upper 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 40 percent.

Tonight 19 May Central Cook

Mostly cloudy in the Evening, then becoming partly cloudy. Lows around 50. Northwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chicago O'Hare International Airport Temperature Statistics

May Temperature

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

  • Lowest 2 May, 2026

    32.6 °F

  • Average May

    55.4 °F

  • Highest 16 May, 2026

    82.9 °F

Climate (2021–Present)

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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