Weaver started her career at the South West News Service, then worked for the Sunday People from 1989 to 1992 becoming Chief Reporter before spending a year at the Daily Mirror.
When Today closed, Weaver moved to the Daily Mirror as Head of Features under Piers Morgan.
[1] On 30 May 2012 publisher Trinity Mirror announced that Tina Weaver had been made redundant and would leave the company "with immediate effect".
On 14 March 2013, Weaver, then seven months pregnant with her second child, and three other former Mirror journalists were arrested by detectives from Scotland Yard's Operation Weeting over alleged phone hacking in 2003–2004.
Weaver married her long-time partner, former Daily Mirror Editor Richard Wallace at Aynhoe Park, Oxon, in June 2016.