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About the Event
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This page is about a past event. Visit somervillema.gov/calendar for upcoming events.
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Somerville’s Fluff Fest is turning 20, and all are invited to celebrate the famous treat in Union Square on Saturday, September 20, 2025, from 2 to 6 p.m. (rain date: Sunday, September 21). This year’s milestone theme, Forever Fluff: 20 Years of Sticky, Sweet Somerville, marks two decades of celebrating the invention of Marshmallow Fluff in Union Square with zany games, music, fluff-filled snacks, and more.
This year’s 20th anniversary will feature:
- Live music and performances
- Fluff-inspired food from local vendors
- Family-friendly (and sometimes sticky) games and activities
- Local businesses and artisan vendors showcasing Somerville’s creative spirit
For more information, visit flufffestival.com.
Emergency Alert Number: Severe weather and other emergencies can happen. Sign up for emergency text alerts for this year’s Fluff Festival: text FLUFF25 to 888777.
Event Documents
If applicable, any related agendas, minutes, audio/video recordings, and other materials will appear here.
Location
Cost:
FREE
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Add to Calendar
2025-09-20 14:00:00
2025-09-20 18:00:00
20th Annual What the Fluff? Festival
Somerville’s Fluff Fest is turning 20, and all are invited to celebrate the famous treat in Union Square on Saturday, September 20, 2025, from 2 to 6 p.m. (rain date: Sunday, September 21). This year’s milestone theme, Forever Fluff: 20 Years of Sticky, Sweet Somerville, marks two decades of celebrating the invention of Marshmallow Fluff in Union Square with zany games, music, fluff-filled snacks, and more.
This year’s 20th anniversary will feature:
Live music and performances
Fluff-inspired food from local vendors
Family-friendly (and sometimes sticky) games and activities
Local businesses and artisan vendors showcasing Somerville’s creative spirit
For more information, visit flufffestival.com.
Emergency Alert Number: Severe weather and other emergencies can happen. Sign up for emergency text alerts for this year’s Fluff Festival: text FLUFF25 to 888777.
Union Square
Somerville , MA 02143
United States
America/New_York
public
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