Yes

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

Why? Because just cool enough for a jacket, but not warm enough to ditch it!
51°F11°C & Mostly Clear

Wind is 5 mph8 km/h from the Northwest, gusting to 15 mph24 km/h
November 9
6pm51°F11°C5 mph9 km/h NorthwestMostly Clear
7pm51°F10°C5 mph7 km/h NorthwestPartly Cloudy
8pm50°F10°C2 mph4 km/h NorthwestPartly Cloudy
9pm49°F9°C1 mph2 km/h SouthPartly Cloudy
10pm48°F9°C1 mph2 km/h SoutheastMostly Cloudy
11pm48°F9°C2 mph3 km/h EastPartly Cloudy
November 10
12am47°F8°C2 mph3 km/h EastMostly Cloudy
1am46°F8°C2 mph3 km/h SoutheastMostly Cloudy
2am45°F7°C2 mph3 km/h SoutheastPartly Cloudy
3am44°F7°C1 mph2 km/h EastPartly Cloudy
4am43°F6°C2 mph3 km/h SoutheastPartly Cloudy
5am43°F6°C2 mph3 km/h SoutheastMostly Cloudy
DateLowHighWindDayNight
November 844°F7°C58°F14°C4 mph7 km/h from NorthwestMostly ClearPartly Cloudy
November 943°F6°C58°F14°C2 mph3 km/h from EastCloudyPartly Cloudy
November 1041°F5°C63°F17°C1 mph2 km/h from EastMostly ClearMostly Clear
November 1146°F8°C67°F19°C4 mph6 km/h from SouthPartly CloudyMostly Clear
November 1249°F9°C69°F21°C3 mph6 km/h from SouthMostly ClearPartly Cloudy
November 1350°F10°C67°F20°C4 mph6 km/h from SouthMostly CloudyMostly Cloudy
November 1452°F11°C63°F17°C2 mph3 km/h from SouthDrizzleMostly Cloudy

Yes

Low of 43°F6°C, High of 58°F15°C
Wind: 2 mph3 km/h
Precipitation: None

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