Yes

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

Why? Because it's cool. Pleasantly cool, but cool!
52°F11°C & Mostly Cloudy

Wind is 6 mph9 km/h from the West, gusting to 12 mph20 km/h
April 21
10pm50°F10°C5 mph9 km/h WestMostly Clear
11pm49°F9°C5 mph7 km/h NorthwestClear
April 22
12am47°F8°C4 mph7 km/h NorthwestClear
1am46°F8°C4 mph6 km/h NorthwestClear
2am45°F7°C4 mph6 km/h NorthClear
3am44°F6°C3 mph4 km/h NortheastClear
4am43°F6°C3 mph4 km/h SouthClear
5am42°F6°C3 mph4 km/h SouthClear
6am42°F5°C3 mph5 km/h SouthClear
7am42°F5°C4 mph7 km/h SoutheastClear
8am44°F7°C5 mph8 km/h SoutheastMostly Clear
9am49°F9°C6 mph9 km/h SoutheastPartly Cloudy
DateLowHighWindDayNight
April 2146°F8°C60°F16°C10 mph16 km/h from WestCloudyClear
April 2242°F5°C70°F21°C11 mph17 km/h from SouthDrizzleRain
April 2354°F12°C73°F23°C6 mph10 km/h from SouthRainMostly Cloudy
April 2455°F13°C77°F25°C6 mph10 km/h from SoutheastPartly CloudyDrizzle
April 2550°F10°C68°F20°C9 mph14 km/h from NorthDrizzleDrizzle
April 2645°F7°C61°F16°C13 mph20 km/h from NortheastMostly CloudyMostly Cloudy
April 2745°F7°C67°F20°C9 mph15 km/h from SoutheastCloudyRain

Yes

Low of 42°F6°C, High of 71°F22°C
Wind: 11 mph17 km/h
Precipitation: 33% rain

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