No
you don't need a jacket based on the weather in Chicago, IL 60645, USA 1 second ago
68°F20°C & Mostly Clear
Wind is 6 mph9 km/h from the East, gusting to 9 mph15 km/h
| September 19 | ||||
| 3am | 68°F20°C | 6 mph9 km/h East | Mostly Clear | |
| 4am | 67°F20°C | 4 mph6 km/h East | Clear | |
| 5am | 67°F19°C | 4 mph7 km/h East | Clear | |
| 6am | 66°F19°C | 4 mph7 km/h Southeast | Clear | |
| 7am | 65°F18°C | 4 mph6 km/h Southeast | Clear | |
| 8am | 65°F19°C | 3 mph5 km/h East | Mostly Clear | |
| 9am | 68°F20°C | 4 mph6 km/h East | Mostly Clear | |
| 10am | 71°F22°C | 4 mph7 km/h Southeast | Mostly Clear | |
| 11am | 73°F23°C | 5 mph8 km/h Southeast | Mostly Clear | |
| 12pm | 76°F24°C | 5 mph8 km/h Southeast | Mostly Clear | |
| 1pm | 78°F25°C | 6 mph9 km/h East | Partly Cloudy | |
| 2pm | 79°F26°C | 6 mph10 km/h East | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 19 | 65°F18°C | 80°F27°C | 5 mph9 km/h from East | Partly Cloudy | Rain |
| September 20 | 67°F19°C | 77°F25°C | 6 mph9 km/h from Southeast | Drizzle | Drizzle |
| September 21 | 66°F19°C | 76°F24°C | 7 mph12 km/h from Southwest | Drizzle | Thunderstorms |
| September 22 | 64°F18°C | 76°F25°C | 6 mph10 km/h from Southwest | Rain | Partly Cloudy |
| September 23 | 65°F19°C | 75°F24°C | 6 mph10 km/h from Northeast | Mostly Cloudy | Drizzle |
| September 24 | 65°F18°C | 71°F22°C | 10 mph16 km/h from Northeast | Drizzle | Partly Cloudy |
| September 25 | 62°F17°C | 70°F21°C | 10 mph15 km/h from Northeast | Mostly Clear | Partly Cloudy |
No
Low of 66°F19°C, High of 77°F25°CWind: 6 mph9 km/h
Precipitation: 43% rain