O'Hare Weather Forecast

    • 57
    • 83

    Mostly Sunny

    • 55
    • 72

    Partly Sunny

    • 58
    • 76

    Partly Sunny

    • 58
    • 79

    Mostly Sunny

    • 58
    • 77

    Mostly Sunny

    • 63
    • 81

    Mostly Sunny

Today 29 May Central Cook

Mostly sunny. Highs in the lower 80s Inland, but only in the upper 60s near the lake. Southeast Winds 5 to 10 Mph.

Tonight 29 May Central Cook

Partly cloudy. Lows in the mid 50s. Northeast Winds 5 to 10 Mph.

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O'Hare Temperature Statistics

May Temperature

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

  • Lowest 2 May, 2026

    32.6 °F

  • Average May

    60.1 °F

  • Highest 17 May, 2026

    87.7 °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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