Vannes 37 °F Clear. Feels Like: 33 °F Forecast: 58 / 45 °F Wind: 6 mph ↑ from Northeast Department: Morbihan Department High: 37 °F Vannes Department Low: 37 °F Vannes Max Wind: 6 mph Vannes °F Weather in Morbihan (1 Location) Vannes Sat 6:00 am 37 °F Need some help?