Yes
you do need a jacket based on the weather in Chicago, IL 60640, USA 1 second ago
Why? Because it's pretty chilly.
54°F12°C & Mostly Clear
Wind is 11 mph18 km/h from the W, gusting to 21 mph33 km/h
| April 18 | ||||
| 1am | 54°F12°C | 10 mph17 km/h W | Mostly Clear | |
| 2am | 53°F12°C | 9 mph15 km/h W | Mostly Clear | |
| 3am | 52°F11°C | 8 mph13 km/h W | Mostly Clear | |
| 4am | 51°F11°C | 6 mph10 km/h W | Mostly Clear | |
| 5am | 50°F10°C | 6 mph10 km/h W | Clear | |
| 6am | 49°F10°C | 5 mph9 km/h W | Mostly Clear | |
| 7am | 49°F9°C | 4 mph7 km/h W | Partly Cloudy | |
| 8am | 50°F10°C | 3 mph5 km/h NW | Mostly Cloudy | |
| 9am | 52°F11°C | 5 mph7 km/h NW | Mostly Cloudy | |
| 10am | 53°F11°C | 4 mph7 km/h N | Cloudy | |
| 11am | 53°F12°C | 4 mph6 km/h NE | Cloudy | |
| 12pm | 54°F12°C | 4 mph7 km/h NE | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 17 | 54°F12°C | 67°F19°C | 12 mph19 km/h from W | Mostly Cloudy | Partly Cloudy |
| April 18 | 48°F9°C | 56°F13°C | 6 mph10 km/h from NE | Rain | Rain |
| April 19 | 42°F6°C | 58°F14°C | 13 mph21 km/h from W | Mostly Clear | Mostly Cloudy |
| April 20 | 39°F4°C | 52°F11°C | 10 mph17 km/h from NW | Partly Cloudy | Partly Cloudy |
| April 21 | 38°F3°C | 54°F12°C | 6 mph9 km/h from NW | Partly Cloudy | Mostly Clear |
| April 22 | 40°F5°C | 62°F17°C | 7 mph11 km/h from SW | Partly Cloudy | Drizzle |
| April 23 | 48°F9°C | 69°F21°C | 13 mph21 km/h from SW | Mostly Cloudy | Partly Cloudy |
Yes
Low of 47°F9°C, High of 55°F13°CWind: 6 mph10 km/h
Precipitation: 52% rain