No
you don't need a jacket based on the weather in Plainfield, IL, USA 1 second ago
59°F15°C & Mostly Clear
Wind is 4 mph6 km/h from the Northeast, gusting to 6 mph9 km/h
| September 11 | ||||
| 8am | 59°F15°C | 4 mph7 km/h Northeast | Mostly Clear | |
| 9am | 63°F17°C | 4 mph7 km/h Northeast | Mostly Clear | |
| 10am | 68°F20°C | 5 mph8 km/h Northeast | Mostly Clear | |
| 11am | 72°F22°C | 5 mph8 km/h Northeast | Mostly Clear | |
| 12pm | 75°F24°C | 5 mph8 km/h East | Mostly Clear | |
| 1pm | 78°F25°C | 4 mph7 km/h East | Mostly Clear | |
| 2pm | 79°F26°C | 4 mph6 km/h East | Clear | |
| 3pm | 80°F27°C | 4 mph6 km/h East | Mostly Clear | |
| 4pm | 81°F27°C | 4 mph7 km/h Northeast | Mostly Clear | |
| 5pm | 80°F27°C | 5 mph8 km/h Northeast | Mostly Clear | |
| 6pm | 79°F26°C | 7 mph11 km/h East | Mostly Clear | |
| 7pm | 77°F25°C | 8 mph14 km/h East | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 11 | 59°F15°C | 81°F27°C | 5 mph8 km/h from East | Mostly Clear | Mostly Clear |
| September 12 | 58°F14°C | 84°F29°C | 5 mph8 km/h from South | Mostly Clear | Partly Cloudy |
| September 13 | 62°F17°C | 87°F31°C | 9 mph14 km/h from South | Mostly Cloudy | Mostly Clear |
| September 14 | 66°F19°C | 91°F33°C | 5 mph7 km/h from West | Mostly Clear | Mostly Clear |
| September 15 | 67°F19°C | 88°F31°C | 5 mph7 km/h from East | Mostly Clear | Partly Cloudy |
| September 16 | 67°F19°C | 88°F31°C | 4 mph7 km/h from Southeast | Partly Cloudy | Partly Cloudy |
| September 17 | 65°F18°C | 85°F30°C | 5 mph8 km/h from Southeast | Partly Cloudy | Partly Cloudy |
Yes
Low of 58°F15°C, High of 84°F29°CWind: 5 mph8 km/h
Precipitation: None