Rosemont Weather Forecast

    • 5
    • 11

    Increasing Clouds

    • 17
    • 25

    Mostly Cloudy

    • 31
    • 37

    Mostly Cloudy

    • 34
    • 40

    Rain Likely

    • 16
    • 46

    Slight Chance Rain/Snow

    • 26
    • 33

    Mostly Cloudy

Today 14 Dec Central Cook

Sunny. Continued very cold. Highs around 12. Northwest Winds 10 to 15 Mph. Wind chill Values as low as 17 below late in the morning.

Tonight 14 Dec Central Cook

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 6 above. Southwest Winds 5 to 10 Mph, increasing to 10 to 15 Mph with Gusts up to 25 Mph after midnight. Wind chill Values as low as 11 below after midnight.

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Rosemont Temperature Statistics

December Temperature

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

  • Lowest 4 December, 2025

    7 °F

  • Average December

    24.2 °F

  • Highest 10 December, 2025

    39.9 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    61.7 °F
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