The museum is off Route 67 at 60 Towner Lane. The rain date is June 29.
A selection of 15 vendors will be selling a variety of items including antiques, Avon products and collectibles. In addition, water, coffee, tea and baked goods will be available.
The Twitchell-Rowland Homestead Museum will be open for docent-led tours during the Flea Market.
Current exhibits include vintage photographs of Women of Oxford Through History.
In addition, visitors can view a large 19th Century loom which once stood in the attic of the Jensen family farmhouse on Quaker Farms Road. The loom is waiting to be reassembled and used, and volunteers who would like to help in this unique project may sign up during the tour.
Additional information is available by calling Jane Hulbert, 203-734-4446 or Marcia Wrogg, 203-888-6627.