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Festivals in Diamond Bar

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

DAY 1 SATURDAY - SUMMER BASH
Sat, May 23, 12:00 PM
Pomona · The Cathedral Pomona
DAY 1 SATURDAY - SUMMER BASH
Sat, May 23, 12:00 PM
Pomona · The Cathedral Pomona
Chino Rodeo
Sun, Jun 14, 12:00 PM
Chino · 5410 Edison Ave
Chino Rodeo
Sun, Jun 14, 12:00 PM
Chino · 5410 Edison Ave
Taste of Brea 2026
Thu, May 21, 5:00 PM
Brea · Brea Downtown
Taste of Brea 2026
Thu, May 21, 5:00 PM
Brea · Brea Downtown
626 Night Market - Arcadia | June 19-21, 2026
Fri, Jun 19, 3:00 PM
Arcadia · Santa Anita Park
626 Night Market - Arcadia | June 19-21, 2026
Fri, Jun 19, 3:00 PM
Arcadia · Santa Anita Park
Sales end soon
Vibechella Music Festival 2026: Live Music & Arts in Glendora
Saturday at 1:00 PM
glendora · Britestar Tavern
Sales end soon
Vibechella Music Festival 2026: Live Music & Arts in Glendora
Saturday at 1:00 PM
glendora · Britestar Tavern
LuxaDaisy - Expo in Orange County May 3, 2026
Sun, May 3, 10:00 AM
Orange · Hotel Fera Anaheim, a DoubleTree by Hilton
LuxaDaisy - Expo in Orange County May 3, 2026
Sun, May 3, 10:00 AM
Orange · Hotel Fera Anaheim, a DoubleTree by Hilton
Horse Town Brew n’ Que Festival
Sat, May 30, 12:00 PM
Norco · 3737 Crestview Dr
Horse Town Brew n’ Que Festival
Sat, May 30, 12:00 PM
Norco · 3737 Crestview Dr
Sales end soon
MusicLife Festival (High School/College students)
Saturday at 12:00 PM
Arcadia · 512 W Duarte Rd
Sales end soon
MusicLife Festival (High School/College students)
Saturday at 12:00 PM
Arcadia · 512 W Duarte Rd
2026 Picnic in the Park
Fri, Jun 19, 5:00 PM + 2 more
Eastvale · Eastvale Community Park
2026 Picnic in the Park
Fri, Jun 19, 5:00 PM + 2 more
Eastvale · Eastvale Community Park
Sales end soon
Lele’s World | An Immersive Family Festival of Culture, Play & Community
Sunday at 1:00 PM
Santa Ana · Heritage Museum of Orange County
Sales end soon
Lele’s World | An Immersive Family Festival of Culture, Play & Community
Sunday at 1:00 PM
Santa Ana · Heritage Museum of Orange County
626 Night Market - Costa Mesa | May 29-31, 2026
Fri, May 29, 3:00 PM
Costa Mesa · OC Fair & Event Center
626 Night Market - Costa Mesa | May 29-31, 2026
Fri, May 29, 3:00 PM
Costa Mesa · OC Fair & Event Center
Sales end soon
Black Writers Weekend - Los Angeles The Pop Up Experience
Sat, May 9, 9:00 AM
Los Angeles · 1994 Paseo Rancho Castilla
Sales end soon
Black Writers Weekend - Los Angeles The Pop Up Experience
Sat, May 9, 9:00 AM
Los Angeles · 1994 Paseo Rancho Castilla
56th Annual Opal Show
Sat, Oct 24, 10:00 AM + 1 more
Orange · 300 S Flower St
56th Annual Opal Show
Sat, Oct 24, 10:00 AM + 1 more
Orange · 300 S Flower St
Going fast
Art Night Out: Floral Finery
Tomorrow at 6:00 PM
Claremont · Claremont Lewis Museum of Art
Going fast
Art Night Out: Floral Finery
Tomorrow at 6:00 PM
Claremont · Claremont Lewis Museum of Art
Sales end soon
Handcrafts and Hardbacks Independent Bookstore Day Pop-up
Saturday at 11:00 AM
West Covina · Guanyin Tea House 月露茶屋
Sales end soon
Handcrafts and Hardbacks Independent Bookstore Day Pop-up
Saturday at 11:00 AM
West Covina · Guanyin Tea House 月露茶屋
Creator Fest II
Sat, May 2, 1:00 PM
Pomona · Creator Tattoo
Creator Fest II
Sat, May 2, 1:00 PM
Pomona · Creator Tattoo
Almost full
SoCal Etsy Guild Market at Common Corners Brewing (Walnut, CA)
Sunday at 11:00 AM
Walnut · Common Corners Brewing
Almost full
SoCal Etsy Guild Market at Common Corners Brewing (Walnut, CA)
Sunday at 11:00 AM
Walnut · Common Corners Brewing
Bloom & Brew: A Spring Market Experience
Sat, May 2, 1:00 PM
glendora · Britestar Tavern
Bloom & Brew: A Spring Market Experience
Sat, May 2, 1:00 PM
glendora · Britestar Tavern
LAVERNAPALOOZA 2026 PRESENTS BOLO
Thu, May 7, 7:30 PM
Pomona · The Fox Theater Pomona
LAVERNAPALOOZA 2026 PRESENTS BOLO
Thu, May 7, 7:30 PM
Pomona · The Fox Theater Pomona
2026 FuelFest Southern California
Sat, Jun 13, 2:00 PM
Costa Mesa · OC Fair & Event Center
2026 FuelFest Southern California
Sat, Jun 13, 2:00 PM
Costa Mesa · OC Fair & Event Center

Trends in Diamond Bar

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Frequently asked questions about Diamond Bar

What are the best festival events to attend?

According to Eventbrite, the best festival events are:

DAY 1 SATURDAY - SUMMER BASH

Taste of Brea 2026

626 Night Market - Arcadia | June 19-21, 2026

Which events are currently trending in Diamond Bar?

The trending searches this month in Diamond Bar are:

easter egg hunt free

living trust and estate planning seminar

free kids event

Which festival events are coming up?

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

Art Night Out: Floral Finery

Handcrafts and Hardbacks Independent Bookstore Day Pop-up

MusicLife Festival (High School/College students)

Vibechella Music Festival 2026: Live Music & Arts in Glendora