Senior Cole Stoudt replaced Watson in the loss to the Yellow Jackets and completed 19 of his 29 pass attempts for 132 yards with a touchdown and an interception in the win over the Panthers.
"I thought he was better today than he was yesterday," Swinney said. "It's just like I have been saying it gets better each day. I know he was more confident today than he was yesterday. Tomorrow is another important day for us from a preparation standpoint. I think he has a good chance. How much or when? We haven't decided that yet. But I think he definitely has a chance to play."
Watson has thrown for 1,197 yards with 12 touchdowns and two interceptions this season. He was rated the No. 1 dual-threat quarterback in the class of 2014 by Rivals.com.
Clemson (8-3, 6-2 ACC) is ranked 21st in the latest edition of the College Football Playoff rankings. The Tigers have lost five consecutive games against South Carolina (6-5, 3-5 SEC).
- Chris Johnson