No

you don't need a jacket based on the weather in Frankfurt, Germany 1 second ago

60°F15°C & Mostly Clear

Wind is 5 mph8 km/h from the Southwest, gusting to 12 mph20 km/h
September 17
6pm60°F15°C6 mph9 km/h SouthwestMostly Clear
7pm59°F15°C6 mph9 km/h SouthwestClear
8pm58°F14°C5 mph8 km/h SouthwestMostly Clear
9pm57°F14°C5 mph8 km/h SouthwestMostly Clear
10pm56°F13°C5 mph8 km/h SouthwestMostly Clear
11pm55°F13°C5 mph8 km/h SouthwestClear
September 18
12am55°F13°C5 mph8 km/h SouthwestMostly Clear
1am55°F13°C5 mph8 km/h SouthwestMostly Clear
2am55°F13°C4 mph7 km/h SouthwestMostly Clear
3am58°F14°C5 mph8 km/h SouthwestMostly Clear
4am62°F17°C6 mph9 km/h SouthwestMostly Clear
5am65°F19°C7 mph11 km/h SouthwestMostly Clear
DateLowHighWindDayNight
September 1652°F11°C66°F19°C5 mph8 km/h from SouthwestMostly CloudyMostly Clear
September 1755°F13°C76°F25°C7 mph11 km/h from SouthwestMostly ClearMostly Clear
September 1856°F13°C81°F27°C2 mph3 km/h from SouthMostly ClearMostly Clear
September 1958°F14°C82°F28°C5 mph8 km/h from SouthMostly ClearPartly Cloudy
September 2059°F15°C71°F21°C6 mph9 km/h from WestDrizzleRain
September 2153°F12°C62°F17°C6 mph10 km/h from NorthDrizzleMostly Cloudy
September 2251°F11°C60°F16°C9 mph14 km/h from NorthRainRain

Yes

Low of 55°F13°C, High of 76°F25°C
Wind: 7 mph11 km/h
Precipitation: None

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