Yes

you do need a jacket based on the weather in Sheboygan, WI, USA 1 second ago

Why? Because the air feels like the cozy middle ground between summer and winter and it's fairly windy outside!
50°F10°C & Windy

Wind is 16 mph25 km/h from the South, gusting to 23 mph37 km/h
November 6
11pm50°F10°C16 mph26 km/h SouthWindy
November 7
12am50°F10°C18 mph29 km/h SouthWindy
1am50°F10°C18 mph29 km/h SouthWindy
2am50°F10°C18 mph28 km/h SouthWindy
3am50°F10°C18 mph30 km/h SouthWindy
4am49°F9°C21 mph34 km/h SouthWindy
5am49°F9°C22 mph36 km/h SouthRain
6am46°F8°C20 mph32 km/h SouthRain
7am46°F8°C18 mph30 km/h SouthwestRain
8am46°F8°C18 mph29 km/h SouthwestWindy
9am47°F8°C17 mph27 km/h SouthwestWindy
10am47°F8°C15 mph24 km/h SouthwestWindy
DateLowHighWindDayNight
November 630°F-1°C51°F11°C10 mph16 km/h from SouthPartly CloudyRain
November 738°F4°C51°F11°C16 mph26 km/h from WestWindyPartly Cloudy
November 834°F1°C42°F5°C9 mph14 km/h from NorthDrizzleDrizzle
November 927°F-3°C35°F2°C21 mph34 km/h from NorthwestWindySnow
November 1025°F-4°C38°F3°C17 mph27 km/h from NorthwestWindyMostly Cloudy
November 1128°F-2°C41°F5°C15 mph24 km/h from SouthwestMostly CloudyMostly Cloudy
November 1235°F2°C44°F7°C19 mph31 km/h from WestWindyWindy

Yes

Low of 38°F4°C, High of 51°F11°C
Wind: 16 mph26 km/h
Precipitation: None

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