Yes

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

Why? Because it's quite chilly!
40°F4°C & Mostly Clear

Wind is 2 mph4 km/h from the Northeast, gusting to 5 mph8 km/h
November 6
5am40°F4°C3 mph5 km/h NortheastMostly Cloudy
6am41°F5°C3 mph4 km/h NortheastMostly Clear
7am41°F5°C2 mph4 km/h NortheastPartly Cloudy
8am43°F6°C2 mph3 km/h EastPartly Cloudy
9am46°F8°C2 mph3 km/h SoutheastPartly Cloudy
10am49°F9°C2 mph4 km/h SoutheastMostly Cloudy
11am51°F11°C2 mph4 km/h SoutheastPartly Cloudy
12pm53°F12°C2 mph4 km/h SoutheastPartly Cloudy
1pm54°F12°C2 mph4 km/h SoutheastPartly Cloudy
2pm54°F12°C2 mph3 km/h SoutheastPartly Cloudy
3pm54°F12°C2 mph2 km/h SoutheastPartly Cloudy
4pm52°F11°C1 mph2 km/h SoutheastPartly Cloudy
DateLowHighWindDayNight
November 540°F4°C54°F12°C2 mph3 km/h from SoutheastPartly CloudyPartly Cloudy
November 638°F3°C47°F8°C2 mph4 km/h from SouthMostly CloudyMostly Cloudy
November 739°F4°C45°F7°C1 mph2 km/h from SoutheastCloudyCloudy
November 842°F6°C50°F10°C3 mph5 km/h from SouthwestMostly CloudyMostly Cloudy
November 944°F7°C52°F11°C2 mph3 km/h from SouthMostly CloudyMostly Cloudy
November 1041°F5°C49°F9°C3 mph5 km/h from SouthMostly CloudyMostly Cloudy
November 1141°F5°C51°F11°C3 mph5 km/h from EastPartly CloudyPartly Cloudy

Yes

Low of 38°F4°C, High of 47°F9°C
Wind: 2 mph4 km/h
Precipitation: None

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