No
you don't need a jacket based on the weather in Chicago, IL 60645, USA 1 second ago
63°F17°C & Cloudy
Wind is 4 mph6 km/h from the Northeast, gusting to 7 mph12 km/h
| August 2 | ||||
| 5am | 62°F17°C | 4 mph7 km/h North | Cloudy | |
| 6am | 61°F16°C | 5 mph8 km/h Northwest | Cloudy | |
| 7am | 60°F16°C | 5 mph7 km/h Northwest | Cloudy | |
| 8am | 63°F17°C | 4 mph7 km/h Northwest | Mostly Cloudy | |
| 9am | 67°F20°C | 3 mph5 km/h North | Mostly Cloudy | |
| 10am | 70°F21°C | 3 mph5 km/h Northeast | Mostly Cloudy | |
| 11am | 72°F22°C | 5 mph8 km/h Northeast | Partly Cloudy | |
| 12pm | 74°F23°C | 6 mph10 km/h Northeast | Partly Cloudy | |
| 1pm | 75°F24°C | 7 mph11 km/h Northeast | Partly Cloudy | |
| 2pm | 76°F24°C | 8 mph12 km/h Northeast | Mostly Clear | |
| 3pm | 77°F25°C | 8 mph13 km/h Northeast | Clear | |
| 4pm | 77°F25°C | 8 mph13 km/h Northeast | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 2 | 60°F16°C | 77°F25°C | 6 mph10 km/h from Northeast | Mostly Clear | Clear |
| August 3 | 66°F19°C | 79°F26°C | 7 mph11 km/h from Northeast | Clear | Mostly Clear |
| August 4 | 67°F20°C | 80°F27°C | 7 mph11 km/h from East | Mostly Clear | Partly Cloudy |
| August 5 | 69°F21°C | 82°F28°C | 7 mph12 km/h from East | Mostly Clear | Mostly Clear |
| August 6 | 71°F22°C | 85°F30°C | 6 mph10 km/h from Southeast | Mostly Clear | Partly Cloudy |
| August 7 | 73°F23°C | 87°F31°C | 8 mph13 km/h from South | Mostly Cloudy | Partly Cloudy |
| August 8 | 74°F23°C | 88°F31°C | 10 mph15 km/h from South | Mostly Clear | Mostly Clear |
No
Low of 65°F19°C, High of 79°F26°CWind: 7 mph11 km/h
Precipitation: None