Bolomboy, who was 7 of 8 from the free-throw line, got 10 of his rebounds on the defensive end. Berry was 4 of 11 from the field and 10 of 16 at the free-throw line.
Weber State led 30-29 at halftime in a game with six ties and 10 lead changes. The Wildcats shot 39.6 percent from the field for the game, while Southern Utah shot 35.8 percent.
Weber State has won six consecutive games.
Colorado State graduate transfer John Gillon has chosen Syracuse, giving the Orange a potential starter at point guard entering the 2016-17 season.
DeSean Murray, who averaged 20.2 points as a sophomore at Presbyterian, will transfer to Auburn to play for coach Bruce Pearl.
Former Kentucky guard Ed Davender, the only Wildcat with at least 1,500 points and 400 assists, has died. He was 49.