Yes
you do need a jacket based on the weather in Rockford, IL, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool.
56°F13°C & Clear
Wind is 6 mph9 km/h from the NE, gusting to 10 mph16 km/h
| April 24 | ||||
| 5pm | 57°F14°C | 6 mph9 km/h NE | Clear | |
| 6pm | 56°F13°C | 5 mph8 km/h NE | Clear | |
| 7pm | 55°F13°C | 5 mph7 km/h NE | Clear | |
| 8pm | 53°F12°C | 4 mph7 km/h E | Clear | |
| 9pm | 49°F9°C | 6 mph9 km/h E | Clear | |
| 10pm | 45°F7°C | 8 mph13 km/h E | Clear | |
| 11pm | 42°F6°C | 9 mph14 km/h E | Clear | |
| April 25 | ||||
| 12am | 39°F4°C | 8 mph13 km/h E | Clear | |
| 1am | 37°F3°C | 6 mph10 km/h E | Mostly Clear | |
| 2am | 35°F2°C | 5 mph8 km/h E | Mostly Clear | |
| 3am | 34°F1°C | 4 mph7 km/h E | Partly Cloudy | |
| 4am | 33°F0°C | 4 mph7 km/h E | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 24 | 37°F3°C | 57°F14°C | 7 mph12 km/h from NE | Mostly Clear | Mostly Clear |
| April 25 | 31°F-1°C | 62°F17°C | 7 mph12 km/h from SE | Clear | Mostly Clear |
| April 26 | 42°F5°C | 60°F16°C | 17 mph27 km/h from SE | Rain | Rain |
| April 27 | 60°F16°C | 78°F26°C | 19 mph31 km/h from S | Windy | Rain |
| April 28 | 62°F17°C | 74°F24°C | 15 mph24 km/h from S | Rain | Rain |
| April 29 | 54°F12°C | 67°F20°C | 14 mph22 km/h from SW | Cloudy | Partly Cloudy |
| April 30 | 47°F9°C | 71°F22°C | 10 mph16 km/h from W | Mostly Clear | Clear |
Yes
Low of 31°F-1°C, High of 62°F17°CWind: 7 mph12 km/h
Precipitation: None