No

you don't need a jacket based on the weather in Mascoutah, IL, USA 1 second ago

64°F18°C & Cloudy

Wind is 13 mph21 km/h from the S, gusting to 25 mph40 km/h
April 27
1am65°F18°C14 mph22 km/h SRain
2am66°F19°C15 mph25 km/h SWindy
3am66°F19°C16 mph25 km/h SWindy
4am66°F19°C15 mph24 km/h SMostly Cloudy
5am66°F19°C16 mph25 km/h SWindy
6am65°F18°C15 mph25 km/h SWindy
7am65°F18°C15 mph25 km/h SWindy
8am65°F19°C16 mph26 km/h SWindy
9am67°F19°C16 mph26 km/h SWindy
10am69°F20°C17 mph28 km/h SWindy
11am71°F22°C18 mph29 km/h SWindy
12pm72°F22°C18 mph29 km/h SWindy
DateLowHighWindDayNight
April 2652°F11°C70°F21°C12 mph19 km/h from SEThunderstormsThunderstorms
April 2765°F18°C78°F25°C17 mph28 km/h from SThunderstormsMostly Cloudy
April 2866°F19°C79°F26°C18 mph28 km/h from SWindyRain
April 2961°F16°C74°F24°C10 mph17 km/h from SWRainMostly Clear
April 3056°F13°C80°F27°C8 mph14 km/h from SMostly ClearPartly Cloudy
May 164°F18°C84°F29°C9 mph14 km/h from SMostly CloudyMostly Cloudy
May 266°F19°C77°F25°C10 mph16 km/h from SDrizzleDrizzle

No

Low of 64°F18°C, High of 78°F26°C
Wind: 17 mph28 km/h
Precipitation: 40% rain

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