No
you don't need a jacket based on the weather in Chicago, IL, USA 29 minutes ago
68°F20°C & Clear
Wind is 6 mph10 km/h from the S, gusting to 12 mph20 km/h
| July 27 | ||||
| 5am | 67°F19°C | 7 mph11 km/h S | Clear | |
| 6am | 66°F19°C | 7 mph11 km/h S | Clear | |
| 7am | 65°F19°C | 6 mph10 km/h S | Clear | |
| 8am | 67°F19°C | 7 mph11 km/h S | Clear | |
| 9am | 69°F21°C | 7 mph12 km/h S | Clear | |
| 10am | 72°F22°C | 7 mph11 km/h S | Clear | |
| 11am | 75°F24°C | 7 mph11 km/h S | Clear | |
| 12pm | 78°F26°C | 7 mph12 km/h SE | Clear | |
| 1pm | 80°F27°C | 8 mph14 km/h SE | Clear | |
| 2pm | 82°F28°C | 9 mph15 km/h SE | Clear | |
| 3pm | 83°F28°C | 10 mph16 km/h SE | Clear | |
| 4pm | 84°F29°C | 10 mph16 km/h SE | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 27 | 65°F18°C | 84°F29°C | 9 mph14 km/h from SE | Clear | Mostly Cloudy |
| July 28 | 69°F21°C | 80°F27°C | 7 mph11 km/h from S | Rain | Drizzle |
| July 29 | 70°F21°C | 86°F30°C | 8 mph12 km/h from S | Drizzle | Partly Cloudy |
| July 30 | 71°F22°C | 89°F32°C | 7 mph11 km/h from W | Partly Cloudy | Mostly Clear |
| July 31 | 71°F22°C | 89°F32°C | 4 mph7 km/h from S | Partly Cloudy | Partly Cloudy |
| August 1 | 72°F22°C | 87°F31°C | 6 mph10 km/h from S | Mostly Cloudy | Rain |
| August 2 | 73°F23°C | 86°F30°C | 7 mph11 km/h from E | Partly Cloudy | Mostly Clear |
No
Low of 69°F21°C, High of 81°F27°CWind: 7 mph11 km/h
Precipitation: 63% rain