No
you don't need a jacket based on the weather in Chicago, IL, USA 12 minutes ago
83°F28°C & Clear
Wind is 7 mph11 km/h from the East, gusting to 11 mph18 km/h
| August 15 | ||||
| 4pm | 83°F28°C | 8 mph12 km/h East | Mostly Clear | |
| 5pm | 84°F29°C | 9 mph14 km/h East | Clear | |
| 6pm | 83°F28°C | 8 mph13 km/h East | Partly Cloudy | |
| 7pm | 83°F29°C | 7 mph11 km/h East | Mostly Clear | |
| 8pm | 82°F28°C | 5 mph7 km/h Southeast | Clear | |
| 9pm | 80°F27°C | 6 mph9 km/h Southeast | Clear | |
| 10pm | 79°F26°C | 5 mph9 km/h Southeast | Clear | |
| 11pm | 80°F27°C | 4 mph6 km/h South | Clear | |
| August 16 | ||||
| 12am | 79°F26°C | 4 mph6 km/h South | Mostly Clear | |
| 1am | 78°F25°C | 4 mph7 km/h South | Partly Cloudy | |
| 2am | 77°F25°C | 5 mph8 km/h South | Partly Cloudy | |
| 3am | 76°F24°C | 5 mph8 km/h South | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 15 | 70°F21°C | 84°F29°C | 5 mph9 km/h from Southeast | Mostly Clear | Partly Cloudy |
| August 16 | 74°F23°C | 92°F33°C | 6 mph10 km/h from Southwest | Mostly Cloudy | Thunderstorms |
| August 17 | 76°F24°C | 88°F31°C | 6 mph10 km/h from Northeast | Mostly Cloudy | Partly Cloudy |
| August 18 | 75°F24°C | 90°F32°C | 6 mph10 km/h from South | Thunderstorms | Thunderstorms |
| August 19 | 74°F23°C | 87°F30°C | 5 mph8 km/h from North | Thunderstorms | Mostly Cloudy |
| August 20 | 71°F22°C | 77°F25°C | 10 mph15 km/h from Northeast | Cloudy | Partly Cloudy |
| August 21 | 70°F21°C | 80°F26°C | 7 mph11 km/h from Northeast | Mostly Clear | Clear |
No
Low of 74°F24°C, High of 91°F33°CWind: 6 mph10 km/h
Precipitation: 52% rain