No
you don't need a jacket based on the weather in Flossmoor, IL, USA 1 second ago
68°F20°C & Clear
Wind is 4 mph6 km/h from the Northeast, gusting to 7 mph12 km/h
| September 16 | ||||
| 12am | 68°F20°C | 4 mph6 km/h Northeast | Clear | |
| 1am | 67°F19°C | 4 mph6 km/h Northeast | Clear | |
| 2am | 66°F19°C | 5 mph7 km/h East | Mostly Clear | |
| 3am | 65°F18°C | 4 mph6 km/h Southeast | Clear | |
| 4am | 64°F18°C | 5 mph7 km/h Southeast | Clear | |
| 5am | 62°F17°C | 5 mph8 km/h Southeast | Clear | |
| 6am | 62°F16°C | 3 mph5 km/h Southeast | Clear | |
| 7am | 61°F16°C | 4 mph7 km/h East | Clear | |
| 8am | 61°F16°C | 4 mph6 km/h East | Clear | |
| 9am | 64°F18°C | 4 mph6 km/h East | Clear | |
| 10am | 69°F20°C | 4 mph6 km/h East | Clear | |
| 11am | 73°F23°C | 4 mph7 km/h East | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 62°F17°C | 84°F29°C | 3 mph6 km/h from Northeast | Clear | Clear |
| September 16 | 60°F16°C | 83°F28°C | 6 mph10 km/h from Northeast | Clear | Mostly Clear |
| September 17 | 62°F17°C | 83°F29°C | 5 mph7 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 18 | 61°F16°C | 85°F29°C | 5 mph8 km/h from East | Mostly Clear | Mostly Clear |
| September 19 | 62°F17°C | 85°F30°C | 6 mph9 km/h from Southeast | Partly Cloudy | Mostly Cloudy |
| September 20 | 64°F18°C | 78°F26°C | 6 mph10 km/h from South | Thunderstorms | Partly Cloudy |
| September 21 | 64°F18°C | 81°F27°C | 10 mph16 km/h from South | Mostly Cloudy | Mostly Cloudy |
No
Low of 61°F16°C, High of 83°F29°CWind: 6 mph10 km/h
Precipitation: None