Hughart was educated at Phillips Academy (Andover). He attended Columbia University where he obtained a bachelor's degree in 1956.
Upon his graduation from Columbia, Hughart joined the United States Air Force and served from 1956 to 1960 where he was involved in laying mines in the Korean Demilitarized Zone. During Hughart's military service he began to develop his lifelong interest in China that led him to plan a series set in "an Ancient China that never was." His connection to China continued after his military service, as he worked with TechTop, a military surplus company that was based in Asia, from 1960 to 1965.
From 1965 to 1970 Hughart was the manager of the Lenox Hill Book Shop in New York City.
Hughart lived in Tucson, Arizona until his death in 2019 at the age of 85.