In the 2018 season-opener on May 18, 2018 against the Dallas Wings, Taurasi became the first player in WNBA history to make 1,000 3-pointers. On June 5, 2018, Taurasi became the first player in WNBA history to score 8,000 points in an 80–74 victory against the Liberty. On July 8, 2018, Taurasi became the league's all-time leader in field goals made in an 84–77 victory against the Connecticut Sun, surpassing Tina Thompson. Taurasi would also earn her ninth career all-star appearance after being voted into the 2018 WNBA All-Star Game. On August 1, 2018, Taurasi scored a season-high 37 points in a 104–93 victory against the Las Vegas Aces. The Mercury finished off the season 20–14 with the number 5 seed in the league. In the first round elimination game, the Mercury defeated the Dallas Wings 101–83. Taurasi scored 26 points in the win. In the second round elimination game, the Mercury defeated the Connecticut Sun 96–86, advancing to the semi-finals for the third year in a row, they would face off against the Seattle Storm. Down 2–0, the Mercury came back to tie up the series 2–2. In game 5, the Mercury lost 94–84, ending their season.