No
you don't need a jacket based on the weather in Chicago, IL 60631, USA 1 second ago
68°F20°C & Clear
Wind is 3 mph5 km/h from the South, gusting to 6 mph10 km/h
| August 15 | ||||
| 6am | 68°F20°C | 4 mph6 km/h South | Clear | |
| 7am | 67°F20°C | 3 mph5 km/h South | Clear | |
| 8am | 68°F20°C | 3 mph5 km/h South | Clear | |
| 9am | 71°F22°C | 4 mph7 km/h South | Mostly Clear | |
| 10am | 75°F24°C | 4 mph7 km/h South | Mostly Clear | |
| 11am | 78°F25°C | 5 mph8 km/h South | Partly Cloudy | |
| 12pm | 81°F27°C | 4 mph7 km/h South | Mostly Clear | |
| 1pm | 84°F29°C | 5 mph8 km/h South | Mostly Clear | |
| 2pm | 86°F30°C | 5 mph8 km/h South | Partly Cloudy | |
| 3pm | 87°F31°C | 5 mph8 km/h South | Partly Cloudy | |
| 4pm | 88°F31°C | 5 mph8 km/h South | Mostly Clear | |
| 5pm | 89°F32°C | 5 mph9 km/h South | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 15 | 67°F20°C | 89°F32°C | 5 mph8 km/h from South | Mostly Clear | Partly Cloudy |
| August 16 | 75°F24°C | 92°F33°C | 6 mph10 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| August 17 | 75°F24°C | 86°F30°C | 7 mph11 km/h from East | Mostly Cloudy | Thunderstorms |
| August 18 | 75°F24°C | 92°F33°C | 5 mph9 km/h from Southwest | Thunderstorms | Thunderstorms |
| August 19 | 72°F22°C | 81°F27°C | 5 mph8 km/h from North | Thunderstorms | Drizzle |
| August 20 | 71°F21°C | 77°F25°C | 10 mph16 km/h from Northeast | Mostly Cloudy | Mostly Clear |
| August 21 | 70°F21°C | 79°F26°C | 7 mph11 km/h from Northeast | Mostly Clear | Mostly Clear |
No
Low of 75°F24°C, High of 92°F34°CWind: 6 mph10 km/h
Precipitation: 39% rain