No
you don't need a jacket based on the weather in Chicago, IL 60611, USA 1 second ago
64°F18°C & Clear
Wind is 3 mph5 km/h from the Northwest, gusting to 6 mph9 km/h
| August 26 | ||||
| 11pm | 63°F17°C | 3 mph5 km/h Northwest | Clear | |
| August 27 | ||||
| 12am | 61°F16°C | 5 mph8 km/h Southwest | Clear | |
| 1am | 60°F16°C | 5 mph9 km/h Southwest | Clear | |
| 2am | 59°F15°C | 5 mph9 km/h Southwest | Clear | |
| 3am | 58°F15°C | 6 mph9 km/h Southwest | Clear | |
| 4am | 57°F14°C | 6 mph10 km/h Southwest | Clear | |
| 5am | 57°F14°C | 7 mph11 km/h Southwest | Clear | |
| 6am | 56°F14°C | 7 mph12 km/h Southwest | Clear | |
| 7am | 56°F13°C | 6 mph10 km/h Southwest | Clear | |
| 8am | 57°F14°C | 7 mph11 km/h Southwest | Clear | |
| 9am | 60°F16°C | 6 mph10 km/h Southwest | Clear | |
| 10am | 64°F18°C | 6 mph10 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 26 | 55°F13°C | 72°F22°C | 6 mph10 km/h from North | Mostly Clear | Clear |
| August 27 | 56°F13°C | 76°F25°C | 7 mph11 km/h from West | Partly Cloudy | Rain |
| August 28 | 61°F16°C | 75°F24°C | 8 mph14 km/h from Northwest | Drizzle | Mostly Clear |
| August 29 | 59°F15°C | 68°F20°C | 10 mph15 km/h from Northeast | Partly Cloudy | Mostly Clear |
| August 30 | 58°F14°C | 71°F22°C | 6 mph10 km/h from Northeast | Mostly Clear | Clear |
| August 31 | 58°F15°C | 75°F24°C | 6 mph10 km/h from Northeast | Clear | Clear |
| September 1 | 60°F16°C | 76°F24°C | 5 mph9 km/h from Northeast | Mostly Clear | Clear |
Yes
Low of 56°F14°C, High of 76°F25°CWind: 7 mph11 km/h
Precipitation: None