Pre-Halloween Weekend in Boston: Oct 23–25, 2026

The weekend before Halloween is Boston's first costume outing of the season. Here's what's happening October 23–25.

1. THE LESS YOU KNOW : HALLOWEEN

A Halloween-week fixture on the Boston calendar — doors open October 24 at 246 Tremont St.

Saturday, October 24 · 246 Tremont St — See details & tickets →

2. OvO Presents: 90’s and 00’s Costume Party

Step back into the 90s & 00s for a night of throwback Hip-Hop, R&B, Reggae, Afrobeats, drinks, dancing, and nostalgia at Savvor Lounge.

Friday, October 23 · 180 Lincoln St — See details & tickets →

3. R&B vs. The World: A Haunted HAN

Sunday night, October 25 at 186 Harvard Ave — one of the bigger Halloween nights on the Boston calendar.

Sunday, October 25 · 186 Harvard Ave — See details & tickets →

4. Kumarion w/Venture 5 (Hachi Halloween III )

Going down Friday, October 23 at 61 Canal St.

Friday, October 23 · 61 Canal St — See details & tickets →

5. HALLOWEEN PART I @51 - October 23 !

Friday, October 23, 51 Stuart St — come in costume, leave with a story.

Friday, October 23 · 51 Stuart St — See details & tickets →

6. Hachi presents: The Consortium (Official Hachi Halloween Afterparty)

A Halloween-week fixture on the Boston calendar — doors open October 24 at Elm St.

Saturday, October 24 · Elm St — See details & tickets →

Every Halloween event, one place

New Halloween events go live on Posh every day — Boston and every other city. The full, always-current lineup lives on the Halloween collection.

browse all halloween 2026 events →