Fairweather is a surname. Notable people with the surname include:
Al Fairweather (1927–1993), British jazz musician
Andy Fairweather Low (born 1948), Welsh guitarist, songwriter and vocalist
Bruce Fairweather, American guitarist/bassist
Carlton Fairweather (born 1961), English footballer (association football) Denvor Fairweather (born 1975), Belizean television producer and executive Digby Fairweather (born 1946), British jazz cornettist and broadcaster Drew Fairweather (born 1979), American author Fred Fairweather (1913–1983), Australian footballer (Australian rules football) G. Ernest Fairweather, Canadian architect Gaynor Fairweather, British ballroom dancer Gordon Fairweather (1923–2008), Canadian lawyer and politician Ian Fairweather (1891–1974), Australian painter Jack Fairweather (politician) (1878–1948), Canadian lawyer and politician Jack Fairweather (writer) Jackie Fairweather (born 1967), Australian triathlete and long-distance runner Kate Fairweather (born 1975), Australian archer Katriona Fairweather (born 1978), Scottish curler, World champion Ken Fairweather, Papua New Guinean politician Patrick Fairweather (born 1936), British diplomat Roxanne R. Fairweather, Canadian businesswoman Simon Fairweather (born 1969), Australia archer Steven Fairweather (born 1977), Canadian musician
Fictional characters: Angela Fairweather, character in the Power Rangers universe Gerry Fairweather, character in the BBC soap opera EastEnders