No
you don't need a jacket based on the weather in Chicago, IL 60660, USA 1 second ago
67°F19°C & Partly Cloudy
Wind is 6 mph9 km/h from the East, gusting to 9 mph15 km/h
| September 11 | ||||
| 1am | 67°F19°C | 6 mph9 km/h East | Partly Cloudy | |
| 2am | 66°F19°C | 6 mph10 km/h East | Mostly Clear | |
| 3am | 65°F19°C | 5 mph8 km/h East | Mostly Clear | |
| 4am | 65°F18°C | 4 mph6 km/h East | Partly Cloudy | |
| 5am | 64°F18°C | 4 mph7 km/h East | Mostly Clear | |
| 6am | 64°F18°C | 5 mph7 km/h Northeast | Mostly Clear | |
| 7am | 64°F18°C | 5 mph8 km/h Northeast | Clear | |
| 8am | 64°F18°C | 5 mph7 km/h East | Mostly Clear | |
| 9am | 67°F19°C | 4 mph7 km/h Northeast | Mostly Clear | |
| 10am | 69°F21°C | 5 mph8 km/h East | Mostly Clear | |
| 11am | 72°F22°C | 5 mph9 km/h Northeast | Mostly Clear | |
| 12pm | 73°F23°C | 6 mph9 km/h Northeast | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 10 | 60°F16°C | 77°F25°C | 3 mph5 km/h from East | Mostly Clear | Mostly Clear |
| September 11 | 64°F18°C | 76°F25°C | 7 mph11 km/h from Northeast | Clear | Mostly Clear |
| September 12 | 63°F17°C | 80°F27°C | 5 mph8 km/h from Southeast | Mostly Clear | Mostly Cloudy |
| September 13 | 66°F19°C | 83°F28°C | 8 mph12 km/h from South | Thunderstorms | Mostly Clear |
| September 14 | 69°F21°C | 83°F28°C | 6 mph9 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 15 | 69°F20°C | 80°F26°C | 7 mph11 km/h from East | Partly Cloudy | Mostly Cloudy |
| September 16 | 68°F20°C | 80°F27°C | 5 mph8 km/h from Southeast | Partly Cloudy | Partly Cloudy |
No
Low of 64°F18°C, High of 76°F25°CWind: 7 mph11 km/h
Precipitation: None