No
you don't need a jacket based on the weather in Joliet, IL, USA 1 second ago
77°F25°C & Clear
Wind is 4 mph6 km/h from the Southwest, gusting to 7 mph12 km/h
| July 4 | ||||
| 12am | 76°F25°C | 4 mph6 km/h Southwest | Mostly Clear | |
| 1am | 74°F24°C | 4 mph6 km/h South | Mostly Clear | |
| 2am | 73°F23°C | 4 mph6 km/h South | Partly Cloudy | |
| 3am | 72°F22°C | 3 mph6 km/h South | Mostly Clear | |
| 4am | 71°F21°C | 3 mph5 km/h South | Mostly Clear | |
| 5am | 70°F21°C | 4 mph6 km/h South | Mostly Clear | |
| 6am | 70°F21°C | 4 mph7 km/h South | Mostly Cloudy | |
| 7am | 71°F21°C | 4 mph6 km/h South | Mostly Cloudy | |
| 8am | 73°F23°C | 4 mph7 km/h Southwest | Mostly Cloudy | |
| 9am | 76°F25°C | 5 mph8 km/h Southwest | Mostly Cloudy | |
| 10am | 80°F27°C | 5 mph8 km/h Southwest | Mostly Cloudy | |
| 11am | 83°F28°C | 5 mph8 km/h Southwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 3 | 67°F19°C | 91°F33°C | 4 mph6 km/h from West | Mostly Clear | Mostly Clear |
| July 4 | 70°F21°C | 91°F33°C | 7 mph11 km/h from Southwest | Partly Cloudy | Mostly Clear |
| July 5 | 70°F21°C | 91°F33°C | 12 mph19 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| July 6 | 70°F21°C | 83°F28°C | 9 mph15 km/h from West | Rain | Rain |
| July 7 | 66°F19°C | 82°F28°C | 6 mph9 km/h from North | Mostly Clear | Mostly Clear |
| July 8 | 62°F17°C | 85°F29°C | 4 mph6 km/h from Southwest | Partly Cloudy | Drizzle |
| July 9 | 69°F20°C | 83°F28°C | 4 mph7 km/h from North | Rain | Partly Cloudy |
No
Low of 70°F21°C, High of 91°F33°CWind: 7 mph11 km/h
Precipitation: None