For the 2010 ANZAC Test, Weyman was selected to play for Australia from the interchange bench in their victory against New Zealand. Weyman played 2 games for New South Wales in the 2010 State of Origin series. Weyman played in the 2010 NRL Grand Final for St. George Illawarra against the Sydney Roosters. Weyman and Conn went head to head again in the Grand Final with Conn being put on report for a late shot on Weyman in the first half. St. George would win the decider 32–8 at ANZ Stadium.