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Open Streets
Sunday, October 18, 2026 · 1 PM – 5 PM
SomerStreets: Monster Mash
FreeFamily-friendly
Somerville Avenue becomes a Halloween street festival, from Church Street to Union Square. A community costume parade on foot is led by the School of Honk, with live music on two stages, food, pumpkin carving, face painting, parkour demos, and giant puppets.
Free and open to all. Rain date: Sunday, October 25.
Date
Sunday, October 18, 2026
Time
1 PM – 5 PM
Where
Somerville Ave, Church St to Union Square, Somerville Ave & Church St, Somerville, MA 02143
Organizer
Somerville Arts CouncilWalking, biking or taking transit there?
Shift counts the trip without you touching anything and turns it into money saved and perks from local businesses. It's free.