No
you don't need a jacket based on the weather in Chicago, IL 60629, USA 1 second ago
81°F27°C & Clear
Wind is 7 mph11 km/h from the East, gusting to 11 mph17 km/h
| September 15 | ||||
| 2pm | 81°F27°C | 7 mph12 km/h East | Clear | |
| 3pm | 82°F28°C | 7 mph11 km/h East | Clear | |
| 4pm | 83°F28°C | 7 mph11 km/h East | Clear | |
| 5pm | 82°F28°C | 7 mph12 km/h Northeast | Clear | |
| 6pm | 81°F27°C | 7 mph12 km/h Northeast | Clear | |
| 7pm | 79°F26°C | 6 mph10 km/h Northeast | Clear | |
| 8pm | 75°F24°C | 4 mph7 km/h Northeast | Clear | |
| 9pm | 73°F23°C | 4 mph7 km/h Northeast | Clear | |
| 10pm | 72°F22°C | 4 mph7 km/h Northeast | Clear | |
| 11pm | 70°F21°C | 4 mph7 km/h Northeast | Clear | |
| September 16 | ||||
| 12am | 69°F20°C | 4 mph6 km/h Northeast | Clear | |
| 1am | 68°F20°C | 3 mph6 km/h East | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 63°F17°C | 83°F28°C | 6 mph9 km/h from East | Clear | Clear |
| September 16 | 63°F17°C | 83°F28°C | 5 mph8 km/h from East | Clear | Clear |
| September 17 | 64°F18°C | 83°F28°C | 4 mph7 km/h from Northeast | Mostly Clear | Clear |
| September 18 | 64°F18°C | 84°F29°C | 5 mph7 km/h from Southeast | Mostly Clear | Mostly Clear |
| September 19 | 64°F18°C | 81°F27°C | 5 mph8 km/h from Southeast | Partly Cloudy | Partly Cloudy |
| September 20 | 64°F18°C | 80°F27°C | 7 mph11 km/h from South | Partly Cloudy | Drizzle |
| September 21 | 64°F18°C | 79°F26°C | 9 mph15 km/h from Southwest | Drizzle | Drizzle |
No
Low of 63°F17°C, High of 83°F29°CWind: 5 mph8 km/h
Precipitation: None