Yes

you do need a jacket based on the weather in Hanover Park, IL 60133, USA 1 second ago

Why? Because sorry, it's too cool for just a hoodie and the wind makes walking forward feel like moonwalking in reverse!
56°F13°C & Cloudy

Wind is 13 mph21 km/h from the Southwest, gusting to 29 mph46 km/h
October 21
4am54°F12°C14 mph23 km/h SouthwestDrizzle
5am52°F11°C15 mph24 km/h WestDrizzle
6am50°F10°C13 mph21 km/h WestMostly Clear
7am49°F9°C10 mph16 km/h WestMostly Clear
8am48°F9°C10 mph17 km/h WestClear
9am48°F9°C9 mph15 km/h WestClear
10am47°F8°C8 mph13 km/h WestClear
11am45°F7°C8 mph13 km/h WestClear
12pm45°F7°C8 mph13 km/h SouthwestClear
1pm45°F7°C9 mph15 km/h SouthwestClear
2pm47°F9°C11 mph18 km/h SouthwestPartly Cloudy
3pm50°F10°C13 mph21 km/h WestMostly Clear
DateLowHighWindDayNight
October 2038°F3°C65°F19°C8 mph12 km/h from SouthClearRain
October 2144°F7°C53°F12°C15 mph24 km/h from WestDrizzleWindy
October 2243°F6°C51°F11°C15 mph24 km/h from WestWindyPartly Cloudy
October 2338°F3°C52°F11°C10 mph16 km/h from NorthwestMostly ClearMostly Clear
October 2434°F1°C54°F12°C3 mph5 km/h from NorthwestMostly ClearPartly Cloudy
October 2538°F3°C55°F13°C6 mph10 km/h from SoutheastMostly CloudyMostly Cloudy
October 2647°F8°C60°F15°C8 mph12 km/h from SoutheastMostly CloudyMostly Cloudy

Yes

Low of 45°F7°C, High of 53°F12°C
Wind: 15 mph24 km/h
Precipitation: 30% rain

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