No
you don't need a jacket based on the weather in Chicago, IL, USA 4 minutes ago
62°F16°C & Clear
Wind is 7 mph11 km/h from the Northwest, gusting to 12 mph20 km/h
| September 7 | ||||
| 1pm | 64°F18°C | 6 mph10 km/h North | Clear | |
| 2pm | 65°F19°C | 9 mph14 km/h Northeast | Clear | |
| 3pm | 66°F19°C | 10 mph16 km/h Northeast | Mostly Clear | |
| 4pm | 67°F19°C | 10 mph16 km/h Northeast | Mostly Clear | |
| 5pm | 66°F19°C | 8 mph14 km/h Northeast | Mostly Clear | |
| 6pm | 65°F19°C | 8 mph14 km/h East | Mostly Clear | |
| 7pm | 65°F18°C | 6 mph9 km/h East | Mostly Clear | |
| 8pm | 63°F17°C | 5 mph7 km/h East | Mostly Clear | |
| 9pm | 61°F16°C | 4 mph6 km/h East | Mostly Clear | |
| 10pm | 59°F15°C | 4 mph6 km/h Southeast | Mostly Clear | |
| 11pm | 57°F14°C | 4 mph6 km/h South | Mostly Clear | |
| September 8 | ||||
| 12am | 56°F13°C | 4 mph7 km/h South | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 7 | 50°F10°C | 67°F19°C | 8 mph12 km/h from North | Clear | Clear |
| September 8 | 51°F10°C | 72°F22°C | 5 mph9 km/h from South | Clear | Mostly Clear |
| September 9 | 54°F12°C | 74°F24°C | 7 mph11 km/h from South | Partly Cloudy | Partly Cloudy |
| September 10 | 57°F14°C | 77°F25°C | 4 mph7 km/h from South | Partly Cloudy | Partly Cloudy |
| September 11 | 63°F17°C | 78°F26°C | 5 mph9 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 12 | 63°F17°C | 79°F26°C | 6 mph9 km/h from East | Mostly Clear | Partly Cloudy |
| September 13 | 65°F18°C | 80°F27°C | 6 mph10 km/h from Southeast | Partly Cloudy | Mostly Clear |
Yes
Low of 51°F11°C, High of 72°F22°CWind: 5 mph9 km/h
Precipitation: None