Rosemont Weather Forecast

    • 37
    • 45

    Breezy

    • 31
    • 47

    Breezy

    • 36
    • 40

    Cloudy

    • 19
    • 55

    Rain Showers

    • 8
    • 26

    Blustery

    • 15
    • 24

    Partly Sunny

    • 29
    • 38

    Mostly Cloudy

Today 12 Mar Central Cook

Sunny early in the Afternoon, then becoming partly cloudy. Highs in the upper 40s. West Winds around 10 Mph.

Tonight 12 Mar Central Cook

Mostly cloudy. A chance of Showers in the evening. Showers likely after midnight. Very windy. Near steady temperature in the lower 40s. South Winds 20 to 25 Mph with Gusts up to 40 Mph, becoming southwest 20 to 30 Mph with Gusts up to 60 Mph after midnight. Chance of precipitation 70 percent.

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Rosemont Temperature Statistics

March Temperature

Chicago, Chicago-O'Hare International Airport (1.2 miles)

  • Lowest 1 March, 2026

    24.7 °F

  • Average March

    44.3 °F

  • Highest 9 March, 2026

    72 °F

Climate (2021–Present)

Chicago, Chicago-O'Hare International Airport (1.2 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    61.8 °F
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