Yes

you do need a jacket based on the weather in Milwaukee, WI, USA 21 minutes ago

Why? Because it's pretty chilly!
55°F13°C & Partly Cloudy

Wind is 9 mph14 km/h from the Northeast, gusting to 13 mph21 km/h
April 29
8pm54°F12°C8 mph13 km/h NortheastMostly Cloudy
9pm49°F10°C10 mph16 km/h NortheastPartly Cloudy
10pm47°F8°C9 mph14 km/h NortheastMostly Clear
11pm44°F7°C8 mph12 km/h NortheastPartly Cloudy
April 30
12am42°F6°C8 mph12 km/h NortheastMostly Clear
1am42°F5°C6 mph10 km/h NortheastMostly Clear
2am41°F5°C7 mph11 km/h NortheastMostly Clear
3am41°F5°C7 mph10 km/h NortheastPartly Cloudy
4am40°F5°C6 mph10 km/h NortheastMostly Cloudy
5am40°F4°C6 mph10 km/h EastMostly Clear
6am40°F4°C6 mph10 km/h EastPartly Cloudy
7am39°F4°C7 mph11 km/h EastPartly Cloudy
DateLowHighWindDayNight
April 2942°F5°C75°F24°C13 mph21 km/h from NorthwestMostly CloudyPartly Cloudy
April 3039°F4°C54°F12°C9 mph15 km/h from EastMostly CloudyRain
May 144°F7°C52°F11°C8 mph14 km/h from NorthRainDrizzle
May 244°F7°C57°F14°C7 mph12 km/h from NorthMostly CloudyPartly Cloudy
May 341°F5°C55°F13°C8 mph13 km/h from NortheastMostly ClearClear
May 444°F7°C63°F17°C5 mph8 km/h from NortheastClearMostly Clear
May 546°F8°C62°F17°C8 mph12 km/h from EastPartly CloudyMostly Clear

Yes

Low of 39°F4°C, High of 55°F13°C
Wind: 9 mph15 km/h
Precipitation: 18% rain

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