Laval 34 °F Clear. Feels Like: 29 °F Forecast: 56 / 33 °F Wind: 6 mph ↑ from North Department: Mayenne Department High: 34 °F Laval Department Low: 34 °F Laval Max Wind: 6 mph Laval °F Weather in Mayenne (1 Location) Laval Sat 6:34 am 34 °F Need some help?