Yes

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

Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
41°F5°C & Mostly Clear

Wind is 7 mph12 km/h from the West, gusting to 16 mph25 km/h
October 23
6am41°F5°C8 mph12 km/h WestMostly Clear
7am40°F5°C7 mph12 km/h WestMostly Clear
8am39°F4°C7 mph12 km/h NorthwestMostly Clear
9am39°F4°C7 mph11 km/h WestMostly Clear
10am38°F3°C7 mph11 km/h WestClear
11am37°F3°C7 mph11 km/h WestClear
12pm37°F3°C7 mph11 km/h WestClear
1pm39°F4°C8 mph12 km/h WestMostly Clear
2pm42°F5°C9 mph14 km/h NorthwestMostly Clear
3pm45°F7°C10 mph16 km/h NorthwestMostly Clear
4pm47°F9°C11 mph18 km/h NorthwestMostly Clear
5pm49°F10°C11 mph18 km/h NorthwestMostly Clear
DateLowHighWindDayNight
October 2337°F3°C52°F11°C10 mph16 km/h from NorthwestMostly ClearMostly Clear
October 2434°F1°C54°F12°C3 mph5 km/h from NorthwestMostly ClearMostly Clear
October 2535°F2°C57°F14°C6 mph9 km/h from SoutheastPartly CloudyPartly Cloudy
October 2643°F6°C59°F15°C8 mph14 km/h from EastMostly CloudyMostly Cloudy
October 2744°F7°C57°F14°C11 mph18 km/h from EastMostly CloudyCloudy
October 2844°F7°C56°F13°C10 mph16 km/h from EastDrizzleDrizzle
October 2943°F6°C53°F12°C8 mph12 km/h from NorthDrizzleMostly Cloudy

Yes

Low of 35°F2°C, High of 54°F12°C
Wind: 3 mph5 km/h
Precipitation: None

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