Your version of Internet Explorer is not longer supported. Please upgrade your browser.

find Halloween events for every vibe.

Events this weekend in Diamond Bar, CA

Search for something you love or check out popular events in your area.

Fall '25 Mathematical Association of America SoCal-Nevada Section Meeting
Today at 8:30 AM
Fullerton · Steven G. Mihaylo Hall
Fall '25 Mathematical Association of America SoCal-Nevada Section Meeting
Today at 8:30 AM
Fullerton · Steven G. Mihaylo Hall
Cal Poly Pomona ASCE Alumni Reunion Event
Today at 10:00 AM
Pomona · Cal Poly Pomona
Cal Poly Pomona ASCE Alumni Reunion Event
Today at 10:00 AM
Pomona · Cal Poly Pomona
FLYWAY SPECIAL EVENT : HALLOWEEN ROOFTOP PARTY HOTLINE 2000s
Today at 9:30 PM
Pomona · The Fox Theater Pomona
FLYWAY SPECIAL EVENT : HALLOWEEN ROOFTOP PARTY HOTLINE 2000s
Today at 9:30 PM
Pomona · The Fox Theater Pomona
Sales end soon
BASEMENT SATURDAYS X NATION REC : HALLOWEEN TWERK PARTY 18+
Today at 10:00 PM
Pomona · The Basement – Pomona
Sales end soon
BASEMENT SATURDAYS X NATION REC : HALLOWEEN TWERK PARTY 18+
Today at 10:00 PM
Pomona · The Basement – Pomona
Sales end soon
Spooky Dance Time
Tomorrow at 7:00 PM
Fullerton · Mi Vida Loca Bar and Lounge
Sales end soon
Spooky Dance Time
Tomorrow at 7:00 PM
Fullerton · Mi Vida Loca Bar and Lounge
Nearly full
Abdul Hannan Meet & Greet – Chai Society Block Party
Tomorrow at 5:00 PM
Anaheim · 2Create Designs
Nearly full
Abdul Hannan Meet & Greet – Chai Society Block Party
Tomorrow at 5:00 PM
Anaheim · 2Create Designs
Sales end soon
NIGHTS OF PLEASURE w/ CONNIE & RONNIE HUDSON
Today at 9:00 PM
Pomona · Cosmo Restobar
Sales end soon
NIGHTS OF PLEASURE w/ CONNIE & RONNIE HUDSON
Today at 9:00 PM
Pomona · Cosmo Restobar
Selling quickly
Townhall Conservative Forum 2025
Tomorrow at 11:00 AM
Garden Grove · Hyatt Regency Orange County
Selling quickly
Townhall Conservative Forum 2025
Tomorrow at 11:00 AM
Garden Grove · Hyatt Regency Orange County
Ontario High School Reunion - Class of 2000 and more!
Today at 6:00 PM
Ontario · Whispering Lakes Golf Course
Ontario High School Reunion - Class of 2000 and more!
Today at 6:00 PM
Ontario · Whispering Lakes Golf Course
HIS-OC 3rd Annual Car Show
Today at 10:00 AM
Placentia · 849 Bradford Ave
HIS-OC 3rd Annual Car Show
Today at 10:00 AM
Placentia · 849 Bradford Ave
Sales end soon
Hocus Pocus Brunch Sip & Paint
Tomorrow at 12:00 PM
Fullerton · ZAMA Latin Lounge + Kitchen
Sales end soon
Hocus Pocus Brunch Sip & Paint
Tomorrow at 12:00 PM
Fullerton · ZAMA Latin Lounge + Kitchen
Selling quickly
PlanNet Marketing 10-Year Anniversary - Anaheim, CA
Tomorrow at 2:00 PM
Garden Grove · Embassy Suites by Hilton Anaheim South
Selling quickly
PlanNet Marketing 10-Year Anniversary - Anaheim, CA
Tomorrow at 2:00 PM
Garden Grove · Embassy Suites by Hilton Anaheim South
Paint n Sip BUZZWORTHY BEVERAGE CLAREMONT
Today at 12:30 PM
Claremont · Buzzworthy Beverages - Non-alcoholic & Functional Bottle Shop
Paint n Sip BUZZWORTHY BEVERAGE CLAREMONT
Today at 12:30 PM
Claremont · Buzzworthy Beverages - Non-alcoholic & Functional Bottle Shop
Sales end soon
Pumpkin Painting Workshop: Soul Real Market
Tomorrow at 11:00 AM
Fullerton · Fullerton Downtown Plaza
Sales end soon
Pumpkin Painting Workshop: Soul Real Market
Tomorrow at 11:00 AM
Fullerton · Fullerton Downtown Plaza
CAMINO A LA PERFECCIÓN
Today at 5:00 PM
La Puente · 1358 N Hacienda Blvd
CAMINO A LA PERFECCIÓN
Today at 5:00 PM
La Puente · 1358 N Hacienda Blvd
Sales end soon
Yalla Habibi: Habibi After Dark @Heat Ultra Lounge – Oct 19
Tomorrow at 10:00 PM
Anaheim · HEAT Ultra Lounge
Sales end soon
Yalla Habibi: Habibi After Dark @Heat Ultra Lounge – Oct 19
Tomorrow at 10:00 PM
Anaheim · HEAT Ultra Lounge
Sales end soon
HALLOWEEN PARTY REGGAETON & HIP-HOP PARTY @ HEAT ULTRA LOUNGE OC 21+
Today at 9:00 PM
Anaheim · HEAT Ultra Lounge
Sales end soon
HALLOWEEN PARTY REGGAETON & HIP-HOP PARTY @ HEAT ULTRA LOUNGE OC 21+
Today at 9:00 PM
Anaheim · HEAT Ultra Lounge
Sales end soon
Yoga, Uncorked presents: Witch, Please! A Halloween flow
Tomorrow at 5:30 PM
Yorba Linda · Pretty in White Bridal
Sales end soon
Yoga, Uncorked presents: Witch, Please! A Halloween flow
Tomorrow at 5:30 PM
Yorba Linda · Pretty in White Bridal
Trade Like a Pro: Master the Markets from Every Angle WORKSHOP
Today at 10:30 AM
Baldwin Park · 13105 Ramona Blvd suite e
Trade Like a Pro: Master the Markets from Every Angle WORKSHOP
Today at 10:30 AM
Baldwin Park · 13105 Ramona Blvd suite e
Sales end soon
Cowboys Meet Cowgirls & Cigars
Today at 6:00 PM
Ontario · Casa De La Riva Cigar Lounge
Sales end soon
Cowboys Meet Cowgirls & Cigars
Today at 6:00 PM
Ontario · Casa De La Riva Cigar Lounge

Trends in Diamond Bar

Explore more trends

Explore more trends

Frequently asked questions about Diamond Bar

What are the best events to attend this weekend?

According to Eventbrite, the best events this weekend are:

FLYWAY SPECIAL EVENT : HALLOWEEN ROOFTOP PARTY HOTLINE 2000s

BASEMENT SATURDAYS X NATION REC : HALLOWEEN TWERK PARTY 18+

Spooky Dance Time

Abdul Hannan Meet & Greet – Chai Society Block Party

Which events are currently trending in Diamond Bar?

The trending searches this month in Diamond Bar are:

events happening today near me

Which events are coming up?

Discover the best events happening soon – you don't want to miss them:

Fall '25 Mathematical Association of America SoCal-Nevada Section Meeting

Cal Poly Pomona ASCE Alumni Reunion Event

HIS-OC 3rd Annual Car Show

Trade Like a Pro: Master the Markets from Every Angle WORKSHOP