Webthe williamstown massachusetts farmers market takes place saturdays, from may until early november, in the heart of williamstown at the spring street parking lot. Webcome on down to the farmers market in williamstown! Meet one of our vendors or staff and you’ll not only get great service, but also make a few friends along the way. Maybe you don’t feel like cooking but want something other than fast food. With our local community in mind, our market focuses on a wide range of local food and artisan vendors, as well as local.