Yes

you do need a jacket based on the weather in 63 Offenbach, Germany 1 second ago

Why? Because it's so windy, your hat is now someone else's problem, two cities away!
63°F17°C & Windy

Wind is 15 mph24 km/h from the Southwest, gusting to 31 mph50 km/h
September 16
7am64°F18°C15 mph24 km/h SouthwestMostly Cloudy
8am65°F18°C16 mph26 km/h SouthwestWindy
9am65°F18°C16 mph25 km/h WestWindy
10am65°F19°C15 mph24 km/h WestWindy
11am65°F18°C14 mph23 km/h WestPartly Cloudy
12pm64°F18°C13 mph21 km/h WestPartly Cloudy
1pm62°F17°C11 mph18 km/h WestMostly Clear
2pm61°F16°C10 mph16 km/h SouthwestMostly Clear
3pm59°F15°C9 mph14 km/h SouthwestPartly Cloudy
4pm58°F14°C9 mph14 km/h SouthwestMostly Clear
5pm57°F14°C8 mph14 km/h SouthwestMostly Clear
6pm55°F13°C8 mph13 km/h SouthwestPartly Cloudy
DateLowHighWindDayNight
September 1555°F13°C65°F19°C13 mph21 km/h from SouthwestPartly CloudyPartly Cloudy
September 1651°F10°C67°F19°C8 mph12 km/h from SouthwestMostly CloudyPartly Cloudy
September 1755°F13°C76°F24°C6 mph9 km/h from SouthwestClearClear
September 1854°F12°C80°F27°C2 mph3 km/h from SouthMostly ClearMostly Clear
September 1954°F12°C82°F28°C4 mph7 km/h from SouthwestPartly CloudyPartly Cloudy
September 2062°F17°C79°F26°C6 mph9 km/h from SouthwestMostly CloudyDrizzle
September 2156°F13°C64°F18°C7 mph11 km/h from NorthDrizzleDrizzle

Yes

Low of 51°F11°C, High of 67°F20°C
Wind: 8 mph12 km/h
Precipitation: None

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