No
you don't need a jacket based on the weather in Chicago, IL 60651, USA 1 second ago
70°F21°C & Clear
Wind is 4 mph6 km/h from the East, gusting to 8 mph13 km/h
| September 14 | ||||
| 1am | 69°F21°C | 5 mph7 km/h East | Clear | |
| 2am | 68°F20°C | 4 mph7 km/h East | Clear | |
| 3am | 67°F20°C | 4 mph7 km/h East | Clear | |
| 4am | 67°F19°C | 4 mph7 km/h East | Clear | |
| 5am | 66°F19°C | 4 mph6 km/h East | Clear | |
| 6am | 65°F18°C | 4 mph6 km/h East | Clear | |
| 7am | 65°F19°C | 4 mph7 km/h East | Clear | |
| 8am | 65°F19°C | 4 mph6 km/h East | Clear | |
| 9am | 68°F20°C | 5 mph7 km/h East | Clear | |
| 10am | 70°F21°C | 6 mph9 km/h East | Clear | |
| 11am | 73°F23°C | 6 mph10 km/h East | Clear | |
| 12pm | 75°F24°C | 7 mph11 km/h East | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 13 | 64°F18°C | 79°F26°C | 5 mph8 km/h from South | Rain | Clear |
| September 14 | 65°F18°C | 80°F27°C | 7 mph11 km/h from East | Clear | Clear |
| September 15 | 64°F18°C | 81°F27°C | 6 mph9 km/h from East | Clear | Clear |
| September 16 | 64°F18°C | 81°F27°C | 5 mph8 km/h from East | Mostly Clear | Mostly Clear |
| September 17 | 65°F18°C | 81°F27°C | 4 mph7 km/h from East | Clear | Mostly Clear |
| September 18 | 65°F18°C | 84°F29°C | 5 mph8 km/h from Southeast | Partly Cloudy | Mostly Cloudy |
| September 19 | 64°F18°C | 76°F25°C | 6 mph9 km/h from East | Partly Cloudy | Partly Cloudy |
No
Low of 65°F19°C, High of 81°F27°CWind: 7 mph11 km/h
Precipitation: None