He also played in the SEABL with the Australian Institute of Sport; in the SBL with the East Perth Eagles; and a stint with the QBL's Cairns Marlins.
[2][3] On 29 November 2005, Weigh signed a National Letter of Intent to play college basketball for the University of Utah.
[7][8] Weigh became a valuable member of a quality Wildcats team which included players such as Paul Rogers and Shawn Redhage.
In just his second season in the NBL, Weigh was part of the Wildcats record fifth championship when they defeated the Wollongong Hawks two games to one in the 2010 Grand Final series.
In 2010–11, the Wildcats could not overcome late season injuries, including losing Redhage to a near-career ending hip injury, and only managed to finish fourth in defense of their title, losing a close fought semi-final series 2–1 to eventual champions, the New Zealand Breakers.
[3] In June 2011, Weigh played for the Australian Boomers in the two-game YouYi Games series against China.
[19] On 15 July 2011, it was announced that Weigh had been added to the Boomers training squad competing for a spot on the team in the lead up to the 2012 Olympics in London.
His father runs Ian Weigh Toyota in Rockhampton, one of Australia’s most successful car dealerships.