Victoria 258 and 55 for two want 215 extra runs to beat Tasmania 236 and 291 (Weatherald 155, O’Neill 3-63)
The hosts started their second innings 22 runs behind Victoria, however the former South Australian opener turned the tables with a blazing 155 off 212 balls on Monday as Tasmania made 291.
Victoria, second on the Defend ladder with three rounds remaining, have been 55 for two at stumps They want an additional 215 to disclaim the last-placed Tasmania simply their second win within the seventh match of the season.
Weatherald discovered some help from Jake Doran and debutant No. 9 Raf MacMillan, whose vibrant innings got here to an unlucky finish when he miscued a juicy Harry Dixon full toss.
Weatherald clattered 20 boundaries in his innings, lathering drives via level and canopy, and latching on to something quick with sweetly timed pull photographs that seemed like cannons echoing across the Bellerive stands.
He was the final man out, his crisp knock following 185 towards Queensland in November to place him on high of the Defend run-scoring record this season.
Opener Marcus Harris was an early casualty within the chase, trapped in entrance by Gabe Bell. Bell then dismissed Campbell Kellaway in comparable vogue, Jon Merlo and Sam Elliott the unbeaten pair at stumps.