Yes

you do need a jacket based on the weather in Edwardsville, IL 62026, USA 1 second ago

Why? Because it's pretty chilly.
56°F13°C & Cloudy

Wind is 9 mph15 km/h from the SE, gusting to 16 mph25 km/h
April 25
1pm59°F15°C9 mph15 km/h SEPartly Cloudy
2pm62°F17°C9 mph14 km/h SEMostly Cloudy
3pm64°F18°C9 mph14 km/h ECloudy
4pm65°F18°C9 mph15 km/h ECloudy
5pm65°F19°C9 mph14 km/h SECloudy
6pm65°F18°C9 mph14 km/h ECloudy
7pm64°F18°C8 mph13 km/h ECloudy
8pm62°F16°C7 mph12 km/h ECloudy
9pm59°F15°C7 mph12 km/h ECloudy
10pm57°F14°C9 mph14 km/h ECloudy
11pm56°F13°C9 mph15 km/h ECloudy
April 26
12am55°F13°C10 mph16 km/h ECloudy
DateLowHighWindDayNight
April 2539°F4°C65°F19°C8 mph13 km/h from EMostly CloudyRain
April 2649°F10°C73°F23°C14 mph23 km/h from SERainRain
April 2764°F18°C80°F27°C17 mph28 km/h from SWindyMostly Cloudy
April 2867°F19°C80°F27°C18 mph29 km/h from SDrizzleRain
April 2962°F17°C74°F24°C11 mph17 km/h from SWDrizzlePartly Cloudy
April 3054°F12°C77°F25°C5 mph8 km/h from SMostly ClearPartly Cloudy
May 161°F16°C85°F30°C5 mph9 km/h from SWPartly CloudyMostly Cloudy

Yes

Low of 49°F10°C, High of 73°F23°C
Wind: 14 mph23 km/h
Precipitation: 78% rain

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