Yes
you do need a jacket based on the weather in Chicago, IL 60645, USA 1 second ago
Why? Because there's a refreshing nip in the air!
41°F5°C & Clear
Wind is 9 mph15 km/h from the Northwest, gusting to 15 mph24 km/h
| March 20 | ||||
| 6pm | 41°F5°C | 9 mph14 km/h Northwest | Clear | |
| 7pm | 40°F4°C | 7 mph11 km/h Northwest | Clear | |
| 8pm | 38°F3°C | 6 mph9 km/h Northwest | Clear | |
| 9pm | 36°F2°C | 5 mph8 km/h Northwest | Mostly Clear | |
| 10pm | 35°F2°C | 3 mph6 km/h Northwest | Clear | |
| 11pm | 35°F1°C | 3 mph5 km/h Southwest | Clear | |
| March 21 | ||||
| 12am | 34°F1°C | 5 mph8 km/h Southwest | Mostly Clear | |
| 1am | 33°F1°C | 5 mph9 km/h Southwest | Clear | |
| 2am | 33°F0°C | 6 mph10 km/h Southwest | Clear | |
| 3am | 32°F0°C | 7 mph11 km/h Southwest | Clear | |
| 4am | 32°F-0°C | 7 mph12 km/h Southwest | Clear | |
| 5am | 31°F-0°C | 9 mph14 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 20 | 31°F-1°C | 41°F5°C | 8 mph13 km/h from Northwest | Snow | Mostly Clear |
| March 21 | 31°F-0°C | 53°F11°C | 17 mph27 km/h from Southwest | Windy | Mostly Cloudy |
| March 22 | 31°F-0°C | 43°F6°C | 8 mph13 km/h from North | Mostly Clear | Mostly Cloudy |
| March 23 | 33°F1°C | 48°F9°C | 14 mph23 km/h from South | Rain | Windy |
| March 24 | 33°F1°C | 43°F6°C | 16 mph26 km/h from West | Windy | Partly Cloudy |
| March 25 | 31°F-1°C | 43°F6°C | 8 mph12 km/h from West | Mostly Cloudy | Mostly Cloudy |
| March 26 | 33°F0°C | 43°F6°C | 9 mph14 km/h from North | Partly Cloudy | Mostly Clear |
Yes
Low of 31°F-1°C, High of 53°F12°CWind: 17 mph27 km/h
Precipitation: None