No
you don't need a jacket based on the weather in Naperville, IL, USA 1 second ago
80°F27°C & Cloudy
Wind is 4 mph6 km/h from the Southeast, gusting to 5 mph8 km/h
| September 13 | ||||
| 7pm | 80°F26°C | 4 mph7 km/h Southeast | Mostly Clear | |
| 8pm | 77°F25°C | 5 mph8 km/h East | Mostly Clear | |
| 9pm | 74°F24°C | 5 mph8 km/h East | Mostly Clear | |
| 10pm | 73°F23°C | 5 mph9 km/h East | Partly Cloudy | |
| 11pm | 71°F22°C | 6 mph9 km/h East | Mostly Clear | |
| September 14 | ||||
| 12am | 70°F21°C | 5 mph9 km/h East | Clear | |
| 1am | 69°F21°C | 5 mph9 km/h East | Clear | |
| 2am | 69°F20°C | 5 mph9 km/h East | Clear | |
| 3am | 68°F20°C | 5 mph8 km/h East | Mostly Clear | |
| 4am | 67°F19°C | 5 mph7 km/h East | Mostly Clear | |
| 5am | 66°F19°C | 5 mph8 km/h East | Mostly Clear | |
| 6am | 65°F19°C | 5 mph8 km/h East | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 13 | 63°F17°C | 81°F27°C | 4 mph6 km/h from Southeast | Thunderstorms | Mostly Clear |
| September 14 | 65°F18°C | 84°F29°C | 7 mph11 km/h from East | Mostly Clear | Clear |
| September 15 | 63°F17°C | 85°F29°C | 5 mph9 km/h from East | Clear | Mostly Clear |
| September 16 | 62°F17°C | 84°F29°C | 5 mph7 km/h from East | Mostly Clear | Mostly Clear |
| September 17 | 61°F16°C | 84°F29°C | 4 mph6 km/h from Southeast | Mostly Clear | Mostly Clear |
| September 18 | 63°F17°C | 84°F29°C | 6 mph9 km/h from South | Partly Cloudy | Mostly Cloudy |
| September 19 | 64°F18°C | 77°F25°C | 6 mph10 km/h from Northeast | Thunderstorms | Partly Cloudy |
No
Low of 64°F18°C, High of 84°F29°CWind: 7 mph11 km/h
Precipitation: None