On graduation from University in 2003, Laura Tobin joined the Met Office. On completing her training, she was assigned in October 2004 to the Cardiff Weather Centre, where she gained experience of broadcasting on BBC Radio Wales. In 2005, Laura Tobin moved to RAF Brize Norton, providing aeronautical meteorology reports and briefings to Royal Air Force transport crews and to the media of BFBS, the British Forces Broadcasting Service.
Laura Tobin joined the team of BBC Weather Centre forecasters at the end of 2007, eventually regularly appearing on BBC News channel, BBC World News, BBC Radio 5 Live, and the on-demand interactive services of BBC Red Button found on digital terrestrial and digital satellite TV. She also regularly presented the weather for the BBC News at One on the BBC.
On 3 September 2012 Laura Tobin joined the newly relaunched ITV Breakfast programme Daybreak as the weather presenter. The show was replaced in April 2014 by Good Morning Britain, where Laura Tobin remained chief weather forecaster. Her first show was on 28 April 2014 when the show launched.