Yes

you do need a jacket based on the weather in Leipzig, Germany 1 second ago

Why? Because it's not very warm out.
57°F14°C & Windy

Wind is 19 mph31 km/h from the SW, gusting to 37 mph59 km/h
March 28
9am55°F13°C20 mph32 km/h SWWindy
10am53°F12°C18 mph29 km/h SWWindy
11am52°F11°C17 mph27 km/h SWWindy
12pm52°F11°C16 mph26 km/h SWWindy
1pm50°F10°C14 mph22 km/h SWMostly Clear
2pm48°F9°C11 mph18 km/h SWMostly Clear
3pm47°F8°C10 mph16 km/h SWMostly Clear
4pm46°F8°C9 mph15 km/h SWMostly Cloudy
5pm45°F7°C9 mph15 km/h SWPartly Cloudy
6pm45°F7°C10 mph16 km/h SWPartly Cloudy
7pm44°F7°C11 mph18 km/h SWClear
8pm43°F6°C10 mph17 km/h SWClear
DateLowHighWindDayNight
March 2743°F6°C57°F14°C15 mph24 km/h from SWMostly CloudyPartly Cloudy
March 2842°F6°C60°F16°C10 mph15 km/h from SCloudyMostly Cloudy
March 2946°F8°C72°F22°C6 mph10 km/h from SEPartly CloudyPartly Cloudy
March 3049°F10°C64°F18°C5 mph9 km/h from WMostly CloudyMostly Cloudy
March 3149°F9°C61°F16°C12 mph19 km/h from SWDrizzleWindy
April 146°F8°C54°F12°C19 mph31 km/h from WDrizzleMostly Cloudy
April 243°F6°C57°F14°C9 mph15 km/h from SWCloudyMostly Cloudy

Yes

Low of 42°F6°C, High of 60°F16°C
Wind: 10 mph15 km/h
Precipitation: None

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