No
you don't need a jacket based on the weather in Chicago, IL 60642, USA 1 second ago
74°F23°C & Clear
Wind is 11 mph17 km/h from the Northeast, gusting to 16 mph25 km/h
| August 28 | ||||
| 5pm | 74°F23°C | 11 mph17 km/h Northeast | Mostly Clear | |
| 6pm | 73°F23°C | 11 mph18 km/h North | Mostly Clear | |
| 7pm | 71°F22°C | 11 mph17 km/h North | Mostly Clear | |
| 8pm | 69°F21°C | 10 mph17 km/h Northeast | Mostly Clear | |
| 9pm | 67°F19°C | 11 mph17 km/h Northeast | Clear | |
| 10pm | 65°F18°C | 10 mph17 km/h Northeast | Clear | |
| 11pm | 64°F18°C | 11 mph17 km/h Northeast | Clear | |
| August 29 | ||||
| 12am | 62°F17°C | 10 mph16 km/h Northeast | Clear | |
| 1am | 62°F17°C | 9 mph15 km/h Northeast | Clear | |
| 2am | 61°F16°C | 9 mph15 km/h Northeast | Mostly Clear | |
| 3am | 60°F16°C | 9 mph14 km/h Northeast | Mostly Clear | |
| 4am | 59°F15°C | 8 mph13 km/h Northeast | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 28 | 61°F16°C | 74°F23°C | 7 mph12 km/h from North | Thunderstorms | Mostly Clear |
| August 29 | 58°F14°C | 69°F21°C | 7 mph11 km/h from Northeast | Partly Cloudy | Partly Cloudy |
| August 30 | 58°F14°C | 73°F23°C | 4 mph6 km/h from East | Mostly Clear | Clear |
| August 31 | 58°F15°C | 75°F24°C | 5 mph8 km/h from East | Clear | Clear |
| September 1 | 59°F15°C | 77°F25°C | 4 mph7 km/h from East | Clear | Mostly Clear |
| September 2 | 61°F16°C | 78°F25°C | 4 mph7 km/h from East | Mostly Clear | Partly Cloudy |
| September 3 | 59°F15°C | 75°F24°C | 8 mph12 km/h from Southwest | Drizzle | Drizzle |
Yes
Low of 58°F15°C, High of 69°F21°CWind: 7 mph11 km/h
Precipitation: None