The win gave the Chargers (12-7, 3-3) a sweep of the season series and broke a third-place tie with the Huskies (15-8, 2-4).
Clemetson struck out eight, including the final four batters, to earn her ninth win of the season.
“I was hitting my spots pretty good today,” she said. “Even when I missed, my defense was really on.”
The Chargers scored first, getting an unearned run when the normally solid Huskies defense committed a pair of errors in the bottom of the third inning.