No
you don't need a jacket based on the weather in Will County, IL, USA 1 second ago
64°F18°C & Clear
Wind is 4 mph7 km/h from the East, gusting to 9 mph15 km/h
| September 16 | ||||
| 4am | 63°F17°C | 5 mph8 km/h East | Clear | |
| 5am | 62°F16°C | 5 mph8 km/h East | Clear | |
| 6am | 60°F16°C | 4 mph7 km/h East | Clear | |
| 7am | 59°F15°C | 4 mph7 km/h East | Clear | |
| 8am | 60°F15°C | 5 mph7 km/h East | Clear | |
| 9am | 64°F18°C | 4 mph7 km/h East | Clear | |
| 10am | 69°F21°C | 4 mph7 km/h East | Clear | |
| 11am | 74°F23°C | 5 mph7 km/h East | Clear | |
| 12pm | 78°F26°C | 4 mph7 km/h East | Clear | |
| 1pm | 81°F27°C | 5 mph8 km/h East | Clear | |
| 2pm | 83°F28°C | 6 mph9 km/h East | Clear | |
| 3pm | 84°F29°C | 7 mph11 km/h Northeast | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 16 | 59°F15°C | 84°F29°C | 6 mph10 km/h from East | Mostly Clear | Mostly Clear |
| September 17 | 60°F15°C | 84°F29°C | 4 mph7 km/h from Northeast | Clear | Mostly Clear |
| September 18 | 59°F15°C | 85°F30°C | 4 mph6 km/h from Southeast | Mostly Clear | Partly Cloudy |
| September 19 | 62°F17°C | 84°F29°C | 6 mph9 km/h from Southeast | Partly Cloudy | Mostly Cloudy |
| September 20 | 63°F17°C | 80°F27°C | 8 mph13 km/h from South | Partly Cloudy | Mostly Clear |
| September 21 | 63°F17°C | 81°F27°C | 10 mph16 km/h from South | Thunderstorms | Thunderstorms |
| September 22 | 65°F18°C | 82°F28°C | 10 mph16 km/h from Southwest | Rain | Partly Cloudy |
No
Low of 60°F16°C, High of 84°F29°CWind: 4 mph7 km/h
Precipitation: None