Yes

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

Why? Because the cold's there, but it's just a reminder, not an invasion and it's so gusty, you’re basically doing accidental parkour!
47°F8°C & Cloudy

Wind is 9 mph15 km/h from the South, gusting to 20 mph32 km/h
January 30
5pm47°F8°C9 mph15 km/h SouthDrizzle
6pm45°F7°C8 mph12 km/h SouthRain
7pm43°F6°C8 mph12 km/h SouthDrizzle
8pm42°F6°C7 mph11 km/h SouthDrizzle
9pm42°F5°C4 mph7 km/h SouthDrizzle
10pm41°F5°C3 mph5 km/h SouthDrizzle
11pm41°F5°C3 mph5 km/h SoutheastDrizzle
January 31
12am40°F4°C4 mph6 km/h SoutheastCloudy
1am39°F4°C4 mph6 km/h SoutheastDrizzle
2am39°F4°C4 mph7 km/h EastCloudy
3am39°F4°C5 mph8 km/h EastCloudy
4am39°F4°C6 mph9 km/h EastCloudy
DateLowHighWindDayNight
January 3026°F-3°C49°F10°C7 mph11 km/h from SouthRainRain
January 3131°F-1°C40°F4°C12 mph19 km/h from NortheastRainPartly Cloudy
February 128°F-2°C37°F3°C10 mph15 km/h from EastCloudyCloudy
February 234°F1°C51°F10°C9 mph15 km/h from SouthwestMostly CloudyCloudy
February 329°F-1°C42°F5°C8 mph13 km/h from NorthCloudyMostly Cloudy
February 426°F-3°C36°F2°C8 mph12 km/h from NortheastMostly CloudyCloudy
February 532°F0°C46°F8°C9 mph14 km/h from EastDrizzleDrizzle

Yes

Low of 31°F-1°C, High of 40°F5°C
Wind: 12 mph19 km/h
Precipitation: 87% rain

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