Weston owned and operated a gas station and also was a trucking contractor as well as chief of the St. Martins Volunteer Fire Department.
Weston entered public life in his service as deputy mayor for St. Martins.
Weston ran to represent the riding of Saint John-Fundy in the Legislative Assembly of New Brunswick as a Progressive Conservative member in the 1995 New Brunswick general election, coming second to Liberal incumbent Stuart Jamieson.
[1] In his first foray into federal politics, in 2008, Weston was elected as Conservative MP for the electoral district of Saint John, defeating incumbent Liberal Paul Zed.
Weston personally lost to challenger Wayne Long, a business figure in Saint John.