Weston is a city in Lewis County, West Virginia along the West Fork River. The population was 4,317 at the 2000 census. It is the county seat of Lewis County^GR6. Weston was incorporated January 14, 1846.

Jackson's Mill, the preserved grist mill of Cummins Jackson, an uncle of Thomas "Stonewall" Jackson, who raised him and his sister after their parents died, is the centerpiece of a historical site and museum at the Jackson's Mill Center for Lifelong Learning and State 4-H Camp. The facility, located near Weston, serves as a special campus for West Virginia University (WVU) and the WVU Extension Service.