Rosemont Weather Forecast
- 20
- 52
Snow Showers
- 14
- 25
Snow Showers Likely
- 24
- 29
Mostly Cloudy
- 16
- 32
Chance Snow
- 11
- 21
Mostly Sunny
- 20
- 27
Mostly Cloudy
Today 28 Dec Central Cook
Areas of fog late in the morning. Patchy fog in the afternoon. Showers late in the morning. A chance of Thunderstorms. Rain in the afternoon. Breezy. Highs in the mid 50s. Southeast Winds around 5 Mph, increasing to south 15 to 20 Mph with Gusts up to 30 Mph in the afternoon. Chance of precipitation near 100 percent.
Tonight 28 Dec Central Cook
Cloudy. A slight chance of rain Showers early in the evening. A chance of snow Showers after Midnight, then snow Showers likely late. Little or no snow accumulation. Windy with Lows around 20. West Winds 25 to 35 Mph with Gusts up to 50 Mph. Chance of precipitation 70 percent.
Rosemont Temperature Statistics
December Temperature
Chicago, Chicago-O'Hare International Airport (1.2 miles)
Lowest 14 December, 2025
-2 °FAverage December
27.2 °FHighest 23 December, 2025
53.1 °F
Climate (2020–Present)
Chicago, Chicago-O'Hare International Airport (1.2 miles)
Average Low 2020–2025
45.4 °FAverage 2020–2025
53.4 °FAverage High 2020–2025
61.7 °F