He currently plays for Landskrona BoIS, wearing the number 3 shirt. He plays primarily as a Defender. His current market value is estimated at 100K €.

His most recent move was a Loan from BK Olympic to Landskrona BoIS on 2025-06-30.

Throughout the Sweden Cup 2025-2026, Gustaf Weststrom featured in 2 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.