Yes

you do need a jacket based on the weather in Naperville, IL 60564, USA 1 second ago

Why? Because the air feels like the cozy middle ground between summer and winter!
59°F15°C & Clear

Wind is 4 mph7 km/h from the Northeast, gusting to 7 mph12 km/h
September 12
6am58°F15°C4 mph7 km/h EastMostly Clear
7am58°F14°C4 mph6 km/h EastMostly Clear
8am58°F14°C4 mph6 km/h EastMostly Clear
9am62°F17°C4 mph6 km/h EastClear
10am67°F19°C4 mph7 km/h SoutheastClear
11am71°F22°C5 mph8 km/h SouthMostly Clear
12pm76°F24°C5 mph8 km/h SouthMostly Clear
1pm79°F26°C5 mph8 km/h SouthMostly Clear
2pm81°F27°C5 mph8 km/h SouthMostly Clear
3pm83°F28°C5 mph9 km/h SouthMostly Clear
4pm83°F28°C5 mph8 km/h SouthMostly Clear
5pm83°F28°C5 mph8 km/h SouthPartly Cloudy
DateLowHighWindDayNight
September 1258°F14°C83°F28°C5 mph8 km/h from SouthMostly ClearMostly Cloudy
September 1363°F17°C82°F28°C8 mph14 km/h from SoutheastMostly CloudyMostly Clear
September 1466°F19°C88°F31°C6 mph10 km/h from EastClearClear
September 1566°F19°C88°F31°C6 mph9 km/h from SoutheastClearMostly Clear
September 1663°F17°C86°F30°C5 mph9 km/h from EastClearMostly Clear
September 1763°F17°C86°F30°C5 mph7 km/h from SoutheastMostly ClearMostly Clear
September 1862°F17°C82°F28°C5 mph8 km/h from SouthPartly CloudyPartly Cloudy

No

Low of 63°F17°C, High of 82°F28°C
Wind: 8 mph14 km/h
Precipitation: 26% rain

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