Born in New York City,[1] Weston is the daughter of educators; her mother was a teacher, and her father was a superintendent of schools.

She completed work on her Bachelor of Arts degree two years after she dropped out to act full-time.

[1] She also appeared in The Ghost and Mrs. Muir, Bonanza, Wonder Woman, Bewitched, Hawkins, and The Bob Newhart Show and in television movies such as Letters from Three Lovers (1973), Miracle on 34th Street (1973), The Questor Tapes (1974), and Revenge of the Stepford Wives (1980).

She was hired to write made-for-TV movies, including Lies Before Kisses, See Jane Run, The Disappearance of Vonnie, and As The Beat Goes On: The Sonny and Cher Story.

In 2003, John Conboy, executive producer of Guiding Light, hired Weston — who had worked for him on The Young and the Restless and Capitol — as the head writer.