Sarah Dorothy Keith-Lucas (born 12 February 1982) is an English meteorologist and BBC weather presenter.
Her middle name comes from her grandmother Dorothy de Bauduy Robertson, who was killed in a road accident in 1979; Dorothy's husband was David Keith-Lucas, who was an aerodynamicist in Kent during World War II and president, from 1968 to 1969, of the Royal Aeronautical Society.
Her mother stood for the SDP Alliance in May 1987 for the Northiam seat[1] but lost to Conservatives.
Keith-Lucas joined the Met Office in 2007 and started presenting forecasts for BBC Weather in 2008.
Keith-Lucas won an episode of Celebrity Mastermind that aired on 4 March 2023; her specialist subject was the 1986 film Labyrinth.