on october 25, 2017, dinwiddie scored a career-high 22 points and hit the go-ahead 3-pointer with 43 seconds left to lift the nets to a 112–107 win over the cleveland cavaliers. on october 29, he tied his career high with 22 points in a 124–111 loss to the denver nuggets. on november 17, he set a new career high with 25 points in a 118–107 win over the utah jazz. on december 14, he had 26 points in a 111–104 loss to the new york knicks. on december 23, he tied his career high with 26 points in a 123–119 overtime loss to the indiana pacers. on january 3, 2018, he made the go-ahead jumper with 10.1 seconds left and tied his career high with 26 points, leading brooklyn to a 98–97 victory over the minnesota timberwolves. on january 8, he set a new career high with 31 points in a 114–113 overtime loss to the toronto raptors. on january 12, he recorded a near triple-double with 20 points, 10 assists and nine rebounds in a 110–105 win over the atlanta hawks. on january 17, he had a career-high 13 assists in a 100–95 loss to the san antonio spurs. on february 17, dinwiddie won the skills challenge at all-star weekend.