No
you don't need a jacket based on the weather in Chicago, IL 60613, USA 1 second ago
70°F21°C & Mostly Cloudy
Wind is 8 mph13 km/h from the Northeast, gusting to 11 mph18 km/h
| September 11 | ||||
| 11am | 71°F22°C | 9 mph14 km/h Northeast | Clear | |
| 12pm | 72°F22°C | 8 mph13 km/h Northeast | Clear | |
| 1pm | 74°F23°C | 7 mph12 km/h Northeast | Clear | |
| 2pm | 75°F24°C | 7 mph12 km/h Northeast | Clear | |
| 3pm | 75°F24°C | 8 mph13 km/h Northeast | Clear | |
| 4pm | 75°F24°C | 9 mph14 km/h Northeast | Clear | |
| 5pm | 74°F23°C | 9 mph14 km/h Northeast | Clear | |
| 6pm | 73°F23°C | 9 mph14 km/h Northeast | Clear | |
| 7pm | 72°F22°C | 8 mph13 km/h Northeast | Clear | |
| 8pm | 70°F21°C | 7 mph12 km/h Northeast | Clear | |
| 9pm | 68°F20°C | 7 mph11 km/h Northeast | Clear | |
| 10pm | 67°F19°C | 7 mph11 km/h Northeast | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 11 | 65°F18°C | 75°F24°C | 7 mph11 km/h from Northeast | Clear | Mostly Clear |
| September 12 | 62°F16°C | 80°F27°C | 5 mph8 km/h from East | Mostly Clear | Partly Cloudy |
| September 13 | 63°F17°C | 83°F28°C | 7 mph11 km/h from South | Mostly Cloudy | Mostly Clear |
| September 14 | 67°F19°C | 87°F31°C | 6 mph9 km/h from East | Clear | Mostly Clear |
| September 15 | 69°F21°C | 84°F29°C | 5 mph9 km/h from East | Mostly Clear | Partly Cloudy |
| September 16 | 69°F20°C | 85°F29°C | 5 mph8 km/h from East | Mostly Clear | Mostly Clear |
| September 17 | 68°F20°C | 82°F28°C | 5 mph8 km/h from East | Partly Cloudy | Partly Cloudy |
No
Low of 62°F17°C, High of 80°F27°CWind: 5 mph8 km/h
Precipitation: None