Yes

you do need a jacket based on the weather in Metz, France 1 second ago

Why? Because rain's coming down!
63°F17°C & Rain

Wind is 4 mph7 km/h from the North, gusting to 12 mph19 km/h
September 8
6pm63°F17°C5 mph8 km/h NorthRain
7pm62°F17°C5 mph8 km/h NorthRain
8pm62°F17°C5 mph8 km/h NorthwestRain
9pm61°F16°C7 mph11 km/h NorthwestHeavy Rain
10pm60°F16°C8 mph12 km/h NorthwestHeavy Rain
11pm59°F15°C10 mph15 km/h NorthHeavy Rain
September 9
12am59°F15°C8 mph12 km/h NorthRain
1am58°F15°C6 mph9 km/h NorthRain
2am58°F15°C5 mph8 km/h NorthwestDrizzle
3am59°F15°C6 mph10 km/h NorthwestDrizzle
4am61°F16°C7 mph11 km/h NorthwestMostly Cloudy
5am62°F17°C7 mph11 km/h NorthwestMostly Cloudy
DateLowHighWindDayNight
September 763°F17°C76°F25°C4 mph7 km/h from WestMostly CloudyHeavy Rain
September 855°F13°C67°F19°C7 mph12 km/h from NorthwestRainPartly Cloudy
September 951°F10°C68°F20°C4 mph6 km/h from SouthPartly CloudyMostly Cloudy
September 1056°F13°C65°F19°C12 mph20 km/h from SouthwestDrizzleRain
September 1152°F11°C64°F18°C11 mph18 km/h from SouthwestPartly CloudyMostly Cloudy
September 1252°F11°C65°F18°C9 mph14 km/h from SouthwestDrizzleRain
September 1354°F12°C67°F19°C9 mph14 km/h from SouthwestDrizzleMostly Cloudy

Yes

Low of 55°F13°C, High of 67°F20°C
Wind: 7 mph12 km/h
Precipitation: 74% rain

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