Charlotte welcomed back Stephen Jackson, who had missed three games due to a hamstring strain. He scored 29 points, grabbed 10 rebounds and helped the Bobcats end a six-game losing streak.
Portland had won its previous seven road games.
Augustin made a pair of free throws with 5 seconds to go, putting Charlotte in front by three points. White added his foul shots with 3 seconds left. Both players scored 16 points and Gerald Henderson had 12 for Charlotte.
Portland was led by 20 points from Wesley Matthews.