Yes
you do need a jacket based on the weather in Chicago (South Side), Illinois, United States 1 second ago
Why? Because it's cold enough that makes you wish you had a hat, but you're still too proud to admit it!
49°F10°C & Clear
Wind is 5 mph8 km/h from the West, gusting to 12 mph20 km/h
| September 6 | ||||
| 5am | 49°F9°C | 5 mph8 km/h West | Clear | |
| 6am | 48°F9°C | 6 mph10 km/h West | Clear | |
| 7am | 48°F9°C | 6 mph9 km/h West | Clear | |
| 8am | 48°F9°C | 5 mph9 km/h West | Clear | |
| 9am | 52°F11°C | 7 mph11 km/h West | Clear | |
| 10am | 55°F13°C | 7 mph11 km/h West | Clear | |
| 11am | 59°F15°C | 8 mph13 km/h West | Clear | |
| 12pm | 62°F17°C | 10 mph16 km/h West | Clear | |
| 1pm | 64°F18°C | 11 mph18 km/h West | Mostly Clear | |
| 2pm | 65°F18°C | 11 mph18 km/h West | Partly Cloudy | |
| 3pm | 66°F19°C | 11 mph17 km/h West | Partly Cloudy | |
| 4pm | 67°F19°C | 10 mph17 km/h West | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 6 | 48°F9°C | 67°F19°C | 9 mph15 km/h from West | Partly Cloudy | Mostly Clear |
| September 7 | 49°F9°C | 68°F20°C | 6 mph9 km/h from Northwest | Mostly Clear | Clear |
| September 8 | 50°F10°C | 73°F23°C | 5 mph8 km/h from South | Clear | Mostly Clear |
| September 9 | 53°F12°C | 75°F24°C | 6 mph10 km/h from South | Mostly Cloudy | Mostly Cloudy |
| September 10 | 60°F16°C | 79°F26°C | 4 mph6 km/h from South | Partly Cloudy | Mostly Clear |
| September 11 | 63°F17°C | 76°F25°C | 8 mph13 km/h from Northeast | Clear | Mostly Clear |
| September 12 | 60°F16°C | 76°F24°C | 7 mph12 km/h from East | Mostly Clear | Partly Cloudy |
Yes
Low of 49°F10°C, High of 68°F20°CWind: 6 mph9 km/h
Precipitation: None