O'Hare Weather Forecast

    • 28
    • 43

    Decreasing Clouds

    • 41
    • 49

    Partly Sunny

    • 48
    • 62

    Mostly Cloudy

    • 52
    • 70

    Chance Thunderstorms

    • 49
    • 72

    Rain Showers Likely

    • 43
    • 61

    Chance Rain Showers

Today 27 Mar Central Cook

Mostly cloudy in the Morning, then becoming partly cloudy. Highs in the upper 30s. North Winds 15 to 20 Mph with Gusts up to 25 Mph, Diminishing to 10 to 15 Mph in the afternoon.

Tonight 27 Mar Central Cook

Partly cloudy in the Evening, then becoming clear. Lows in the upper 20s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

O'Hare Temperature Statistics

March Temperature

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

  • Lowest 17 March, 2026

    14.6 °F

  • Average March

    42.2 °F

  • Highest 21 March, 2026

    77.6 °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

    61.8 °F
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