Yes
you do need a jacket based on the weather in Chicago, IL, USA 1 second ago
Why? Because the cold's there, but it's just a reminder, not an invasion and it's fairly windy outside!
36°F2°C & Cloudy
Wind is 11 mph17 km/h from the Southeast, gusting to 23 mph37 km/h
| December 14 | ||||
| 3pm | 36°F2°C | 10 mph17 km/h Southeast | Cloudy | |
| 4pm | 37°F3°C | 10 mph17 km/h Southeast | Cloudy | |
| 5pm | 36°F2°C | 11 mph18 km/h Southeast | Cloudy | |
| 6pm | 35°F2°C | 11 mph18 km/h Southeast | Drizzle | |
| 7pm | 35°F2°C | 11 mph18 km/h Southeast | Rain | |
| 8pm | 35°F1°C | 13 mph20 km/h Southeast | Rain | |
| 9pm | 34°F1°C | 14 mph22 km/h Southeast | Rain | |
| 10pm | 35°F1°C | 14 mph23 km/h Southeast | Rain | |
| 11pm | 35°F2°C | 15 mph24 km/h Southeast | Drizzle | |
| December 15 | ||||
| 12am | 36°F2°C | 14 mph23 km/h Southeast | Rain | |
| 1am | 36°F2°C | 13 mph21 km/h Southeast | Drizzle | |
| 2am | 36°F2°C | 12 mph20 km/h Southeast | Drizzle | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 14 | 25°F-4°C | 37°F3°C | 11 mph17 km/h from Southeast | Rain | Rain |
| December 15 | 36°F2°C | 44°F6°C | 6 mph9 km/h from South | Cloudy | Rain |
| December 16 | 36°F2°C | 50°F10°C | 11 mph17 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| December 17 | 31°F-1°C | 40°F4°C | 6 mph10 km/h from West | Mostly Cloudy | Cloudy |
| December 18 | 25°F-4°C | 36°F2°C | 9 mph15 km/h from Northwest | Mostly Cloudy | Mostly Cloudy |
| December 19 | 21°F-6°C | 34°F1°C | 9 mph14 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| December 20 | 19°F-7°C | 33°F1°C | 13 mph22 km/h from West | Partly Cloudy | Mostly Clear |
Yes
Low of 36°F2°C, High of 44°F7°CWind: 6 mph9 km/h
Precipitation: None