Yes

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

Why? Because it's not very warm out and it's really really huffing out there!
56°F13°C & Windy

Wind is 18 mph29 km/h from the Southwest, gusting to 36 mph58 km/h
September 16
12am56°F13°C18 mph29 km/h SouthwestWindy
1am55°F13°C18 mph29 km/h SouthwestWindy
2am56°F13°C18 mph29 km/h SouthwestWindy
3am56°F14°C18 mph29 km/h SouthwestWindy
4am57°F14°C19 mph31 km/h SouthwestWindy
5am59°F15°C20 mph32 km/h WestWindy
6am60°F16°C19 mph31 km/h WestWindy
7am61°F16°C18 mph29 km/h WestWindy
8am63°F17°C19 mph30 km/h WestWindy
9am63°F17°C19 mph31 km/h WestWindy
10am62°F17°C18 mph30 km/h WestWindy
11am60°F15°C14 mph23 km/h WestCloudy
DateLowHighWindDayNight
September 1554°F12°C63°F17°C18 mph29 km/h from WestDrizzleDrizzle
September 1652°F11°C63°F17°C11 mph17 km/h from SouthwestCloudyCloudy
September 1760°F15°C73°F23°C11 mph18 km/h from WestPartly CloudyClear
September 1858°F15°C80°F27°C5 mph8 km/h from SouthMostly ClearMostly Clear
September 1956°F13°C82°F28°C6 mph10 km/h from SouthwestPartly CloudyPartly Cloudy
September 2061°F16°C73°F23°C5 mph9 km/h from SouthwestDrizzleDrizzle
September 2154°F12°C66°F19°C8 mph12 km/h from WestDrizzleMostly Cloudy

Yes

Low of 52°F11°C, High of 64°F18°C
Wind: 11 mph17 km/h
Precipitation: 22% rain

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