Lemberger made four free throws in the final 32 seconds to help seal the win. Jasmine Dixon scored 11 points and Markel Walker contributed 10 rebounds and seven assists.
UCLA had a 54-33 edge in rebounding in a game neither team led by more than six points.
Talia Walton led the Huskies (16-6, 8-3) with 18 points. Jazmine Davis scored 17, Kristi Kingma had 11 points and Aminah Williams had 13 rebounds for Washington, which saw a six-game winning streak end. The Huskies’ last loss was at UCLA on Jan. 13.