No
you don't need a jacket based on the weather in Chicago, IL 60657, USA 1 second ago
63°F17°C & Clear
Wind is 9 mph14 km/h from the Southwest, gusting to 17 mph27 km/h
| September 4 | ||||
| 9pm | 62°F17°C | 8 mph13 km/h Southwest | Clear | |
| 10pm | 61°F16°C | 9 mph15 km/h South | Clear | |
| 11pm | 60°F15°C | 10 mph16 km/h South | Clear | |
| September 5 | ||||
| 12am | 59°F15°C | 12 mph19 km/h South | Clear | |
| 1am | 58°F15°C | 12 mph20 km/h Southwest | Clear | |
| 2am | 58°F14°C | 14 mph23 km/h Southwest | Mostly Cloudy | |
| 3am | 58°F15°C | 15 mph24 km/h Southwest | Cloudy | |
| 4am | 59°F15°C | 16 mph25 km/h Southwest | Windy | |
| 5am | 59°F15°C | 15 mph25 km/h Southwest | Windy | |
| 6am | 59°F15°C | 15 mph24 km/h Southwest | Mostly Clear | |
| 7am | 59°F15°C | 14 mph22 km/h West | Mostly Clear | |
| 8am | 58°F15°C | 14 mph22 km/h West | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 4 | 51°F11°C | 66°F19°C | 6 mph9 km/h from West | Clear | Mostly Clear |
| September 5 | 55°F13°C | 67°F19°C | 14 mph22 km/h from West | Partly Cloudy | Partly Cloudy |
| September 6 | 50°F10°C | 66°F19°C | 9 mph15 km/h from West | Partly Cloudy | Mostly Clear |
| September 7 | 50°F10°C | 66°F19°C | 8 mph13 km/h from Northwest | Mostly Clear | Clear |
| September 8 | 50°F10°C | 72°F22°C | 5 mph8 km/h from South | Clear | Partly Cloudy |
| September 9 | 55°F13°C | 75°F24°C | 8 mph13 km/h from South | Partly Cloudy | Mostly Cloudy |
| September 10 | 61°F16°C | 75°F24°C | 6 mph9 km/h from West | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 55°F13°C, High of 67°F20°CWind: 14 mph22 km/h
Precipitation: None