Yes

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

Why? Because too cold for just a hoodie, too warm for a parka!
39°F4°C & Mostly Clear

Wind is 1 mph2 km/h from the West, gusting to 2 mph4 km/h
November 2
7am39°F4°C2 mph3 km/h WestMostly Clear
8am38°F3°C3 mph5 km/h WestMostly Cloudy
9am38°F3°C3 mph5 km/h WestPartly Cloudy
10am37°F3°C4 mph6 km/h WestPartly Cloudy
11am37°F3°C3 mph5 km/h NorthwestMostly Cloudy
12pm36°F2°C2 mph3 km/h WestPartly Cloudy
1pm37°F3°C3 mph4 km/h SouthwestMostly Cloudy
2pm40°F4°C3 mph4 km/h SouthPartly Cloudy
3pm44°F6°C4 mph6 km/h SouthwestMostly Clear
4pm47°F8°C6 mph9 km/h SouthwestMostly Clear
5pm50°F10°C7 mph12 km/h SouthwestMostly Clear
6pm52°F11°C9 mph14 km/h SouthwestMostly Clear
DateLowHighWindDayNight
November 236°F2°C53°F12°C8 mph12 km/h from SouthwestPartly CloudyPartly Cloudy
November 340°F4°C59°F15°C9 mph15 km/h from WestClearPartly Cloudy
November 436°F2°C62°F17°C8 mph14 km/h from SouthPartly CloudyPartly Cloudy
November 543°F6°C62°F16°C9 mph14 km/h from NorthwestPartly CloudyMostly Clear
November 640°F4°C60°F16°C8 mph12 km/h from SoutheastMostly CloudyRain
November 744°F7°C59°F15°C12 mph19 km/h from WestDrizzleMostly Cloudy
November 840°F4°C51°F11°C7 mph12 km/h from WestDrizzleDrizzle

Yes

Low of 40°F5°C, High of 59°F15°C
Wind: 9 mph15 km/h
Precipitation: None

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