Yes
you do need a jacket based on the weather in Downers Grove, IL 60515, USA 1 second ago
Why? Because it's cold. simple as that.
43°F6°C & Mostly Clear
Wind is 10 mph16 km/h from the NW, gusting to 26 mph42 km/h
| April 20 | ||||
| 1am | 43°F6°C | 10 mph16 km/h NW | Mostly Clear | |
| 2am | 40°F4°C | 9 mph15 km/h NW | Clear | |
| 3am | 38°F3°C | 8 mph14 km/h NW | Clear | |
| 4am | 36°F2°C | 9 mph14 km/h W | Clear | |
| 5am | 34°F1°C | 9 mph14 km/h W | Clear | |
| 6am | 33°F1°C | 9 mph15 km/h W | Clear | |
| 7am | 32°F0°C | 9 mph14 km/h W | Clear | |
| 8am | 33°F1°C | 9 mph15 km/h W | Clear | |
| 9am | 35°F2°C | 11 mph18 km/h W | Clear | |
| 10am | 38°F3°C | 12 mph20 km/h NW | Mostly Clear | |
| 11am | 40°F5°C | 13 mph20 km/h NW | Mostly Clear | |
| 12pm | 43°F6°C | 13 mph20 km/h NW | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 19 | 39°F4°C | 57°F14°C | 8 mph13 km/h from W | Mostly Clear | Mostly Clear |
| April 20 | 32°F0°C | 48°F9°C | 12 mph19 km/h from NW | Partly Cloudy | Partly Cloudy |
| April 21 | 33°F1°C | 58°F14°C | 9 mph15 km/h from NW | Mostly Clear | Mostly Clear |
| April 22 | 38°F3°C | 64°F18°C | 10 mph17 km/h from SW | Partly Cloudy | Cloudy |
| April 23 | 48°F9°C | 61°F16°C | 13 mph22 km/h from W | Rain | Mostly Clear |
| April 24 | 38°F3°C | 53°F12°C | 9 mph14 km/h from NE | Mostly Clear | Mostly Clear |
| April 25 | 34°F1°C | 58°F14°C | 7 mph11 km/h from E | Mostly Clear | Mostly Cloudy |
Yes
Low of 32°F0°C, High of 48°F9°CWind: 12 mph19 km/h
Precipitation: None