Yes
you do need a jacket based on the weather in Chicago, IL, USA 1 second ago
Why? Because it's quite chilly.
49°F10°C & Mostly Clear
Wind is 12 mph19 km/h from the W, gusting to 26 mph42 km/h
| April 19 | ||||
| 11pm | 48°F9°C | 12 mph20 km/h NW | Mostly Clear | |
| April 20 | ||||
| 12am | 46°F8°C | 13 mph21 km/h NW | Mostly Clear | |
| 1am | 43°F6°C | 12 mph20 km/h NW | Mostly Clear | |
| 2am | 41°F5°C | 12 mph19 km/h NW | Clear | |
| 3am | 39°F4°C | 11 mph17 km/h NW | Clear | |
| 4am | 38°F3°C | 11 mph18 km/h NW | Clear | |
| 5am | 36°F2°C | 11 mph18 km/h NW | Clear | |
| 6am | 35°F2°C | 11 mph18 km/h W | Clear | |
| 7am | 35°F1°C | 11 mph18 km/h W | Clear | |
| 8am | 35°F2°C | 12 mph19 km/h W | Clear | |
| 9am | 37°F3°C | 12 mph20 km/h W | Clear | |
| 10am | 39°F4°C | 13 mph21 km/h NW | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 19 | 42°F6°C | 57°F14°C | 11 mph18 km/h from W | Mostly Clear | Mostly Clear |
| April 20 | 34°F1°C | 49°F10°C | 11 mph18 km/h from NW | Partly Cloudy | Partly Cloudy |
| April 21 | 36°F2°C | 58°F15°C | 8 mph13 km/h from W | Mostly Clear | Mostly Clear |
| April 22 | 41°F5°C | 64°F18°C | 10 mph16 km/h from SW | Partly Cloudy | Cloudy |
| April 23 | 47°F8°C | 61°F16°C | 14 mph22 km/h from W | Rain | Drizzle |
| April 24 | 39°F4°C | 48°F9°C | 12 mph20 km/h from N | Mostly Clear | Partly Cloudy |
| April 25 | 37°F3°C | 56°F13°C | 7 mph12 km/h from E | Mostly Clear | Mostly Cloudy |
Yes
Low of 35°F2°C, High of 49°F10°CWind: 11 mph18 km/h
Precipitation: None