No
you don't need a jacket based on the weather in Chicago, IL 60613, USA 1 second ago
72°F22°C & Clear
Wind is 4 mph7 km/h from the East, gusting to 6 mph10 km/h
| September 17 | ||||
| 9pm | 72°F22°C | 4 mph7 km/h East | Clear | |
| 10pm | 71°F21°C | 5 mph7 km/h East | Clear | |
| 11pm | 70°F21°C | 4 mph7 km/h East | Clear | |
| September 18 | ||||
| 12am | 69°F21°C | 4 mph7 km/h East | Clear | |
| 1am | 68°F20°C | 4 mph6 km/h East | Clear | |
| 2am | 67°F19°C | 4 mph7 km/h Southeast | Clear | |
| 3am | 66°F19°C | 4 mph6 km/h Southeast | Clear | |
| 4am | 65°F19°C | 2 mph3 km/h Southeast | Clear | |
| 5am | 65°F18°C | 2 mph3 km/h South | Clear | |
| 6am | 64°F18°C | 2 mph3 km/h South | Mostly Clear | |
| 7am | 64°F18°C | 2 mph3 km/h Southwest | Mostly Clear | |
| 8am | 63°F17°C | 2 mph3 km/h Southwest | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 64°F18°C | 78°F25°C | 3 mph5 km/h from Northeast | Mostly Clear | Clear |
| September 18 | 63°F17°C | 82°F28°C | 4 mph7 km/h from East | Mostly Clear | Mostly Clear |
| September 19 | 66°F19°C | 82°F28°C | 5 mph8 km/h from East | Mostly Clear | Mostly Cloudy |
| September 20 | 66°F19°C | 79°F26°C | 6 mph10 km/h from Southeast | Mostly Cloudy | Drizzle |
| September 21 | 66°F19°C | 80°F27°C | 8 mph12 km/h from Southwest | Drizzle | Drizzle |
| September 22 | 66°F19°C | 79°F26°C | 6 mph10 km/h from Southwest | Rain | Partly Cloudy |
| September 23 | 64°F18°C | 76°F24°C | 7 mph11 km/h from Southwest | Partly Cloudy | Partly Cloudy |
No
Low of 64°F18°C, High of 82°F28°CWind: 4 mph7 km/h
Precipitation: None