Yes

you do need a jacket based on the weather in Chicago, IL 60620, USA 1 second ago

Why? Because it's that kind of drizzle where you’re too stubborn to admit you’re getting wet and you're not freezing, but you’ll definitely start complaining if it lasts much longer!
46°F8°C & Drizzle

Wind is 7 mph12 km/h from the Northeast, gusting to 17 mph27 km/h
April 4
7pm46°F8°C8 mph13 km/h NortheastDrizzle
8pm45°F7°C8 mph12 km/h NortheastDrizzle
9pm45°F7°C8 mph12 km/h NortheastDrizzle
10pm46°F8°C9 mph14 km/h NortheastDrizzle
11pm45°F7°C11 mph17 km/h NortheastRain
April 5
12am45°F7°C11 mph18 km/h NortheastRain
1am44°F7°C10 mph16 km/h NortheastRain
2am43°F6°C10 mph16 km/h NortheastRain
3am42°F6°C11 mph17 km/h NortheastRain
4am42°F6°C11 mph18 km/h NorthRain
5am42°F5°C12 mph19 km/h NorthRain
6am42°F5°C12 mph19 km/h NorthDrizzle
DateLowHighWindDayNight
April 439°F4°C48°F9°C7 mph12 km/h from NortheastDrizzleRain
April 539°F4°C50°F10°C8 mph13 km/h from NorthCloudyMostly Cloudy
April 634°F1°C47°F8°C5 mph8 km/h from NortheastPartly CloudyPartly Cloudy
April 729°F-2°C40°F4°C13 mph21 km/h from NorthSnowPartly Cloudy
April 825°F-4°C37°F3°C5 mph9 km/h from NorthPartly CloudyPartly Cloudy
April 928°F-2°C47°F8°C10 mph16 km/h from SouthMostly CloudyRain
April 1040°F4°C51°F10°C9 mph14 km/h from WestDrizzleDrizzle

Yes

Low of 39°F4°C, High of 50°F10°C
Wind: 8 mph13 km/h
Precipitation: None

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