No
you don't need a jacket based on the weather in Chicago, IL, USA 1 minute ago
74°F23°C & Clear
Wind is 8 mph13 km/h from the East, gusting to 12 mph19 km/h
| September 10 | ||||
| 3pm | 74°F24°C | 9 mph14 km/h East | Mostly Cloudy | |
| 4pm | 76°F24°C | 9 mph14 km/h East | Partly Cloudy | |
| 5pm | 76°F25°C | 9 mph14 km/h East | Mostly Clear | |
| 6pm | 75°F24°C | 9 mph14 km/h East | Mostly Cloudy | |
| 7pm | 74°F23°C | 8 mph13 km/h East | Mostly Cloudy | |
| 8pm | 72°F22°C | 6 mph9 km/h East | Partly Cloudy | |
| 9pm | 70°F21°C | 4 mph7 km/h East | Clear | |
| 10pm | 69°F20°C | 4 mph7 km/h Northeast | Partly Cloudy | |
| 11pm | 68°F20°C | 5 mph8 km/h Northeast | Mostly Clear | |
| September 11 | ||||
| 12am | 67°F19°C | 5 mph9 km/h Northeast | Mostly Clear | |
| 1am | 66°F19°C | 5 mph9 km/h East | Mostly Clear | |
| 2am | 65°F18°C | 5 mph8 km/h East | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 10 | 62°F17°C | 76°F25°C | 6 mph10 km/h from East | Mostly Clear | Mostly Clear |
| September 11 | 62°F17°C | 78°F25°C | 6 mph10 km/h from Northeast | Mostly Clear | Clear |
| September 12 | 61°F16°C | 81°F27°C | 4 mph7 km/h from Southeast | Mostly Clear | Partly Cloudy |
| September 13 | 66°F19°C | 87°F30°C | 8 mph13 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| September 14 | 69°F20°C | 82°F28°C | 6 mph9 km/h from Northeast | Clear | Clear |
| September 15 | 67°F19°C | 80°F27°C | 6 mph9 km/h from East | Partly Cloudy | Mostly Cloudy |
| September 16 | 65°F18°C | 81°F27°C | 4 mph7 km/h from East | Mostly Clear | Partly Cloudy |
No
Low of 62°F17°C, High of 78°F26°CWind: 6 mph10 km/h
Precipitation: None