O'Hare Weather Forecast

    • 45
    • 56

    Decreasing Clouds

    • 49
    • 61

    Mostly Cloudy

    • 52
    • 62

    Rain Showers Likely

    • 54
    • 71

    Slight Chance Rain Showers

    • 56
    • 76

    Mostly Cloudy

    • 60
    • 77

    Mostly Cloudy

Today 20 May Central Cook

Mostly cloudy in the Morning, then becoming partly cloudy. Near steady temperature in the mid 50s. North Winds 10 to 15 Mph, increasing to northeast 15 to 20 Mph with Gusts up to 25 Mph in the afternoon.

Tonight 20 May Central Cook

Partly cloudy. Near steady temperature in the upper 40s. Northeast Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

O'Hare Temperature Statistics

May Temperature

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

  • Lowest 2 May, 2026

    32.6 °F

  • Average May

    56.6 °F

  • Highest 17 May, 2026

    86 °F

Climate (2021–Present)

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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