Yes

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

Why? Because the cold's there, but it's just a reminder, not an invasion!
41°F5°C & Cloudy

Wind is 2 mph3 km/h from the Southeast, gusting to 4 mph6 km/h
November 8
1am40°F5°C2 mph4 km/h SoutheastCloudy
2am40°F4°C3 mph4 km/h SoutheastCloudy
3am39°F4°C3 mph4 km/h SoutheastCloudy
4am39°F4°C3 mph4 km/h SoutheastCloudy
5am39°F4°C2 mph4 km/h SoutheastCloudy
6am40°F4°C2 mph3 km/h SoutheastCloudy
7am40°F4°C2 mph3 km/h SoutheastCloudy
8am41°F5°C2 mph3 km/h SouthCloudy
9am42°F5°C2 mph3 km/h SouthCloudy
10am42°F6°C2 mph4 km/h SouthCloudy
11am43°F6°C2 mph4 km/h SouthwestCloudy
12pm45°F7°C3 mph4 km/h SouthwestCloudy
DateLowHighWindDayNight
November 739°F4°C46°F8°C3 mph4 km/h from SouthCloudyCloudy
November 844°F6°C53°F12°C4 mph6 km/h from SouthwestDrizzleMostly Cloudy
November 942°F6°C50°F10°C2 mph4 km/h from SouthwestMostly CloudyDrizzle
November 1042°F5°C53°F11°C5 mph8 km/h from SouthwestDrizzlePartly Cloudy
November 1139°F4°C53°F12°C3 mph5 km/h from EastMostly CloudyMostly Cloudy
November 1239°F4°C53°F12°C3 mph4 km/h from SouthMostly CloudyPartly Cloudy
November 1344°F7°C57°F14°C2 mph3 km/h from SouthMostly CloudyMostly Cloudy

Yes

Low of 44°F7°C, High of 54°F12°C
Wind: 4 mph6 km/h
Precipitation: 53% rain

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