The fifth annual Westborough Arts in Common festival will be held Saturday on the downtown Bay State Green from 10 a.m. to 4 p.m. The event, sponsored by the town’s Cultural Council, will feature art displays, crafts, entertainment, and food. About 50 artisans will participate, with their works including paintings, jewelry, antler art, photography, furniture, and handmade soaps. There will also be musical performances throughout the day, both on the indoor stage and on the Bay State Green bandstand. To learn more about the day’s events, visit www.westboroughculturalcouncil.org.