What The Fluff Festival 2024 Dates. The 19th annual fluff festival will be held on saturday, september 21st, 2pm to 6pm!!! 4,267 likes · 122 talking about this · 2,367 were here.

It celebrates somerville’s proud tradition of innovation with live music, fluffalicious. A tribute to union square innovation is a madcap festival honoring the invention of marshmallow fluff, returning for its 19th year to the delight of fluff.