No
you don't need a jacket based on the weather in Chicago, IL, USA 9 minutes ago
77°F25°C & Cloudy
Wind is 11 mph18 km/h from the Northeast, gusting to 15 mph24 km/h
| August 4 | ||||
| 6pm | 78°F26°C | 10 mph16 km/h Northeast | Mostly Cloudy | |
| 7pm | 77°F25°C | 9 mph14 km/h Northeast | Cloudy | |
| 8pm | 76°F24°C | 9 mph14 km/h Northeast | Cloudy | |
| 9pm | 74°F23°C | 9 mph14 km/h East | Cloudy | |
| 10pm | 73°F23°C | 9 mph14 km/h East | Mostly Cloudy | |
| 11pm | 72°F22°C | 8 mph13 km/h East | Partly Cloudy | |
| August 5 | ||||
| 12am | 71°F22°C | 8 mph13 km/h Northeast | Mostly Cloudy | |
| 1am | 71°F21°C | 5 mph9 km/h Northeast | Partly Cloudy | |
| 2am | 70°F21°C | 5 mph9 km/h Northeast | Mostly Clear | |
| 3am | 69°F21°C | 5 mph8 km/h East | Mostly Clear | |
| 4am | 69°F20°C | 5 mph8 km/h East | Clear | |
| 5am | 68°F20°C | 5 mph8 km/h East | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 4 | 68°F20°C | 78°F26°C | 8 mph13 km/h from East | Mostly Cloudy | Partly Cloudy |
| August 5 | 68°F20°C | 82°F28°C | 7 mph11 km/h from East | Clear | Mostly Clear |
| August 6 | 69°F21°C | 86°F30°C | 5 mph8 km/h from East | Partly Cloudy | Partly Cloudy |
| August 7 | 72°F22°C | 89°F31°C | 5 mph9 km/h from South | Partly Cloudy | Partly Cloudy |
| August 8 | 74°F23°C | 90°F32°C | 7 mph11 km/h from South | Mostly Clear | Mostly Clear |
| August 9 | 75°F24°C | 91°F33°C | 9 mph15 km/h from South | Mostly Clear | Mostly Clear |
| August 10 | 75°F24°C | 89°F32°C | 8 mph13 km/h from Southwest | Partly Cloudy | Drizzle |
No
Low of 68°F20°C, High of 82°F28°CWind: 7 mph11 km/h
Precipitation: None