Mr. and Mrs. Ronald S. Weston of Amherst celebrated their 50th wedding anniversary. A family dinner hosted by their daughter is planned for a later date at Pine Orchard Yacht and Country Club, Brandford, Conn., followed by a family cruise on the Mexican Riviera with their children and grandchildren. Mr. Weston and Adele M. Wiorzynski were married Dec. 28, 1963, in St. John Kanty Church. He is a retired machine repairman for Tyson Foods. She retired from the medical records department at Sisters Hospital. They have two children and three grandchildren.