Yes

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

Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer and the wind could blow a wig clean off your head!
44°F6°C & Mostly Cloudy

Wind is 13 mph21 km/h from the North, gusting to 19 mph31 km/h
November 8
5am43°F6°C14 mph23 km/h NorthMostly Cloudy
6am41°F5°C14 mph23 km/h NorthMostly Cloudy
7am39°F4°C14 mph22 km/h NorthMostly Cloudy
8am38°F3°C14 mph22 km/h NorthMostly Cloudy
9am37°F3°C13 mph22 km/h NorthPartly Cloudy
10am36°F2°C13 mph20 km/h NorthMostly Clear
11am35°F2°C12 mph20 km/h NorthPartly Cloudy
12pm35°F2°C12 mph19 km/h NorthPartly Cloudy
1pm36°F2°C12 mph19 km/h NorthMostly Cloudy
2pm37°F3°C11 mph19 km/h NorthMostly Cloudy
3pm38°F4°C11 mph18 km/h NorthMostly Cloudy
4pm40°F4°C10 mph17 km/h NorthMostly Cloudy
DateLowHighWindDayNight
November 741°F5°C56°F13°C11 mph18 km/h from NorthwestMostly ClearMostly Cloudy
November 834°F1°C43°F6°C11 mph17 km/h from NorthCloudyWindy
November 929°F-2°C36°F2°C20 mph33 km/h from NorthwestWindyWindy
November 1027°F-3°C39°F4°C18 mph29 km/h from NorthwestWindyPartly Cloudy
November 1130°F-1°C41°F5°C16 mph26 km/h from SouthwestWindyMostly Cloudy
November 1237°F3°C47°F8°C18 mph30 km/h from WestWindyPartly Cloudy
November 1334°F1°C44°F7°C14 mph22 km/h from NorthwestPartly CloudyMostly Clear

Yes

Low of 35°F2°C, High of 43°F6°C
Wind: 11 mph17 km/h
Precipitation: None

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