Wighton was born in Orange, New South Wales, Australia.
He is Wiradjuri, his family are from Peak Hill (Bulgandramine Mission) and Wellington NSW.
Jack is related to Rabbitohs player Latrell Mitchell (Mitchell's 3 x Great Grandmother Josephine Wighton and Jack's 3 x Great Grandfather Ernest Wighton are brother and sister).

Wighton played his junior football for Orange CYMS and Bloomfield Tigers before being signed by the Canberra Raiders.

Wighton left his job as a brickie’s labourer to pursue a career in football.
Wighton was born in Orange, New South Wales, Australia. He is Wiradjuri, his family are from Peak Hill (Bulgandramine Mission) and Wellington NSW. Jack is related to Rabbitohs player Latrell Mitchell (Mitchell's 3 x Great Grandmother Josephine Wighton and Jack's 3 x Great Grandfather Ernest Wighton are brother and sister). 
Wighton played his junior football for Orange CYMS and Bloomfield Tigers before being signed by the Canberra Raiders.
Wighton left his job as a brickie’s labourer to pursue a career in football.
Jack Wighton