Rosemont Weather Forecast

    • 4
    • 17

    Increasing Clouds

    • 23
    • 28

    Chance Snow

    • 17
    • 30

    Chance Snow

    • 12
    • 28

    Slight Chance Snow

    • 16
    • 24

    Snow Likely

    • 23
    • 33

    Chance Rain/Snow

Today 4 Dec Central Cook

Sunny. Cold. Highs around 19. Northwest Winds 5 to 10 Mph, becoming west in the afternoon.

Tonight 4 Dec Central Cook

Clear in the Evening, then becoming partly cloudy. Very cold with Lows around 3 above in the Suburbs, but around 8 above Downtown. Southwest Winds 5 to 10 Mph. Wind chill Values as low as 10 below.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Rosemont Temperature Statistics

December Temperature

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

  • Lowest 2 December, 2025

    17.1 °F

  • Average December

    21.6 °F

  • Highest 1 December, 2025

    30 °F

Climate (2020–Present)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    61.7 °F
Get WillyWeather+ to remove ads