Wesley Matthews scored 24 points and LaMarcus Aldridge added 20 points and 15 rebounds for the surging Blazers, who have won four straight and 15 of 16.
Portland made 17 of 23 shots from 3-point range for 73.9 percent, an NBA record for a team with at least 20 attempts, according to basketball-reference.com. Portland also surpassed its previous franchise mark of 16 3-pointers.
Damian Lillard added 21 points and Nicolas Batum had 13 for the Blazers.
Alec Burks had 16 points to lead the Jazz, who trailed by as many as 42. They have lost 10 of 11 games on the road this season.