No
you don't need a jacket based on the weather in Wilmington, IL 60481, USA 1 second ago
65°F18°C & Partly Cloudy
Wind is 5 mph8 km/h from the Southeast, gusting to 10 mph16 km/h
| September 9 | ||||
| 10pm | 64°F18°C | 5 mph8 km/h Southeast | Partly Cloudy | |
| 11pm | 62°F17°C | 5 mph9 km/h Southeast | Mostly Cloudy | |
| September 10 | ||||
| 12am | 61°F16°C | 5 mph8 km/h Southeast | Mostly Cloudy | |
| 1am | 61°F16°C | 5 mph7 km/h Southeast | Mostly Cloudy | |
| 2am | 60°F15°C | 5 mph8 km/h Southeast | Mostly Cloudy | |
| 3am | 59°F15°C | 5 mph8 km/h Southeast | Mostly Cloudy | |
| 4am | 58°F15°C | 5 mph8 km/h Southeast | Mostly Cloudy | |
| 5am | 56°F14°C | 4 mph6 km/h Southeast | Mostly Cloudy | |
| 6am | 55°F13°C | 4 mph6 km/h Southeast | Mostly Cloudy | |
| 7am | 54°F12°C | 4 mph6 km/h Southeast | Partly Cloudy | |
| 8am | 54°F12°C | 3 mph5 km/h Southeast | Mostly Clear | |
| 9am | 58°F15°C | 4 mph6 km/h Southeast | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 9 | 45°F7°C | 76°F25°C | 4 mph6 km/h from South | Partly Cloudy | Mostly Cloudy |
| September 10 | 54°F12°C | 80°F26°C | 4 mph6 km/h from South | Mostly Clear | Mostly Clear |
| September 11 | 56°F13°C | 81°F27°C | 4 mph7 km/h from East | Mostly Clear | Clear |
| September 12 | 57°F14°C | 84°F29°C | 6 mph9 km/h from South | Mostly Clear | Mostly Cloudy |
| September 13 | 64°F18°C | 88°F31°C | 9 mph14 km/h from South | Mostly Cloudy | Partly Cloudy |
| September 14 | 66°F19°C | 87°F30°C | 4 mph6 km/h from Northwest | Mostly Clear | Partly Cloudy |
| September 15 | 65°F18°C | 85°F29°C | 5 mph8 km/h from Southeast | Partly Cloudy | Partly Cloudy |
Yes
Low of 54°F12°C, High of 80°F27°CWind: 4 mph6 km/h
Precipitation: None