Willis Tower (Sears Tower) Weather Forecast
- 22
- 24
Increasing Clouds
- 18
- 40
Partly Sunny
- 24
- 28
Partly Sunny
- 36
- 39
Mostly Cloudy
- 34
- 44
Mostly Cloudy
- 42
- 47
Chance Rain
Today 19 Dec Central Cook
Partly cloudy. Blustery. Highs in the lower to mid 20s. Northwest Winds 15 to 20 Mph, becoming west 10 to 15 Mph in the afternoon. Gusts up to 30 Mph.
Tonight 19 Dec Central Cook
Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 20s. Temperature rising into the upper 20s after midnight. South Winds 5 to 10 Mph, increasing to 15 to 20 Mph with Gusts up to 25 Mph after midnight.
Willis Tower (Sears Tower) Temperature Statistics
December Temperature
Chicago, Chicago Midway Airport (8.7 miles)
Lowest 14 December, 2025
-0.9 °FAverage December
23.6 °FHighest 17 December, 2025
43 °F
Climate (2020–Present)
Chicago, Chicago Midway Airport (8.7 miles)
Average Low 2020–2025
46.7 °FAverage 2020–2025
54.3 °FAverage High 2020–2025
61.8 °F