Yes
you do need a jacket based on the weather in Illinois, USA 1 second ago
Why? Because there's a refreshing nip in the air!
42°F6°C & Cloudy
Wind is 5 mph8 km/h from the Southeast, gusting to 11 mph18 km/h
| December 26 | ||||
| 8am | 42°F6°C | 5 mph9 km/h Southeast | Cloudy | |
| 9am | 43°F6°C | 6 mph10 km/h Southeast | Cloudy | |
| 10am | 44°F6°C | 7 mph11 km/h Southeast | Cloudy | |
| 11am | 45°F7°C | 8 mph12 km/h Southeast | Cloudy | |
| 12pm | 47°F8°C | 9 mph14 km/h South | Mostly Cloudy | |
| 1pm | 49°F9°C | 10 mph16 km/h South | Cloudy | |
| 2pm | 50°F10°C | 9 mph15 km/h South | Cloudy | |
| 3pm | 50°F10°C | 9 mph14 km/h South | Cloudy | |
| 4pm | 50°F10°C | 8 mph13 km/h South | Cloudy | |
| 5pm | 50°F10°C | 8 mph13 km/h Southeast | Cloudy | |
| 6pm | 48°F9°C | 9 mph15 km/h Southeast | Cloudy | |
| 7pm | 48°F9°C | 9 mph14 km/h Southeast | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 26 | 42°F5°C | 50°F10°C | 8 mph13 km/h from Southeast | Cloudy | Cloudy |
| December 27 | 44°F7°C | 51°F10°C | 12 mph20 km/h from Southeast | Drizzle | Rain |
| December 28 | 42°F6°C | 52°F11°C | 8 mph13 km/h from Southwest | Mostly Cloudy | Rain |
| December 29 | 37°F3°C | 48°F9°C | 7 mph12 km/h from West | Mostly Cloudy | Partly Cloudy |
| December 30 | 35°F2°C | 48°F9°C | 8 mph13 km/h from Southeast | Cloudy | Rain |
| December 31 | 30°F-1°C | 42°F6°C | 15 mph24 km/h from Northwest | Snow | Cloudy |
| January 1 | 26°F-3°C | 31°F-1°C | 13 mph21 km/h from West | Cloudy | Mostly Cloudy |
Yes
Low of 44°F7°C, High of 51°F11°CWind: 12 mph20 km/h
Precipitation: 76% rain