Hoskins gained a B.A. (1st Class Honors) and Ph.D. in mathematics from the University of Cambridge, UK, in 1966 and 1970, respectively. He was then Reader in atmospheric modelling (1976–1981) and professor of meteorology (1981–present) at the University of Reading. He was Head of the Department of Meteorology (1990–1996) at the University of Reading and President of the Royal Meteorological Society (1998–2000). He was a Royal Society council member (1999–present) and research professor (2001–present) and the first Director of the Grantham Institute for Climate Change at Imperial College London (2008–2014).