No
you don't need a jacket based on the weather in Chicago, IL 60659, USA 1 second ago
72°F22°C & Clear
Wind is 3 mph5 km/h from the East, gusting to 6 mph10 km/h
| August 15 | ||||
| 12am | 72°F22°C | 5 mph8 km/h East | Clear | |
| 1am | 71°F22°C | 4 mph6 km/h Southeast | Clear | |
| 2am | 71°F21°C | 4 mph6 km/h Southeast | Clear | |
| 3am | 70°F21°C | 4 mph7 km/h South | Clear | |
| 4am | 69°F21°C | 4 mph7 km/h South | Mostly Clear | |
| 5am | 68°F20°C | 3 mph5 km/h South | Mostly Clear | |
| 6am | 68°F20°C | 4 mph6 km/h South | Clear | |
| 7am | 70°F21°C | 4 mph6 km/h South | Mostly Clear | |
| 8am | 70°F21°C | 4 mph6 km/h South | Mostly Clear | |
| 9am | 73°F23°C | 3 mph5 km/h South | Partly Cloudy | |
| 10am | 75°F24°C | 4 mph6 km/h South | Partly Cloudy | |
| 11am | 78°F25°C | 4 mph6 km/h South | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 14 | 66°F19°C | 80°F27°C | 3 mph5 km/h from Northeast | Clear | Clear |
| August 15 | 68°F20°C | 88°F31°C | 4 mph7 km/h from Southeast | Mostly Clear | Partly Cloudy |
| August 16 | 76°F25°C | 92°F33°C | 7 mph12 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| August 17 | 76°F25°C | 84°F29°C | 7 mph12 km/h from Northeast | Partly Cloudy | Partly Cloudy |
| August 18 | 75°F24°C | 91°F33°C | 6 mph10 km/h from Southwest | Partly Cloudy | Thunderstorms |
| August 19 | 74°F23°C | 84°F29°C | 5 mph9 km/h from North | Mostly Cloudy | Thunderstorms |
| August 20 | 71°F22°C | 78°F26°C | 10 mph16 km/h from Northeast | Mostly Cloudy | Mostly Cloudy |
No
Low of 68°F20°C, High of 89°F32°CWind: 4 mph7 km/h
Precipitation: None