The Harvard Square Business Association is delighted to announce the 2026 Preliminary Calendar of Events. The year ahead will see the return of our iconic events including Oktoberfest, HONK! and MayFair! We’re bringing back classic fan-favorites, but with a new twist! And as always…events are added weekly. So please mark your calendar and check back often on harvardsquare.com. You don’t want to miss out on the best free & family-friendly events in the region!
January 15 – March 17
16th Annual Winter Carnival
January 15 – 18
Passim’s 23rd Annual BCMfest
January 23 – 25
18th Annual Chocolate Weekend
January 24
Chocolate Tasting Event
January 30
Hasty Pudding Woman of the Year
February 6
Hasty Pudding Man of the Year
February 7
16th Annual “Some Like It Hot” Chili Cook-off
February 8
Superbowl LX
February 12 – 16
Lovin’ the Square Valentine’s Events
February 17 – March 3
Chinese New Year Celebrations
March 1
Dr Seuss 122nd Birthday Party
March 13 – 17
Harvard Go Bragh – St. Patrick’s Day Events
March TBD
Winter Dine Out
April 5
Easter
April 18
Bookish Ball
April 22
Earth Day Cleanup
April 26 – 27
Harvard Visitas
May 10
Mother’s Day
May 23
Patios in Bloom
May 22 – 25
Cambridge Calling Weekend
May 24
41st Annual MayFair
May 28
Harvard 375th Commencement
May 31
MayFair Rain Date
June 14
Raise It Up – Flag Day Event
June 19
Juneteenth
June 20
Make Music Harvard Square
June 21
Father’s Day
June 10 – 12
13th Annual Boston JerkFest
July 14
Bastille Day
July 24
12th Annual Salsa Squared
August 8
2nd Annual Rocky Horror Picture Show Screening
August 23rd
3rd Annual Dog Days of Summer Pawty
September TBD
Riversing
October 11
47th Annual Oktoberfest and 21st HONK! Parade
October 12
Oktoberfest Rain Date
October 16 – 18
61st Annual Head of the Charles Regatta
October 30 – November 1
Harvard Scare – Halloween Events
November 26
Thanksgiving
November 27 – December 31
Sparklefest
November 28
Charles Hotel Tree Lighting Ceremony
December 5
Giving Tree Kickoff / Holiday Concert
December 12
19th Annual “Everyone Loves Latkes”
December 18 – 20
(Last Minute) Shop Over Weekend
December 19
Santa Claus Jazz Band Concert
