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Things to do in Diamond Bar, CA

592 upcoming events, classes and community gatherings in Diamond Bar, CA (California), gathered from local organizers and checked daily, including 92 this weekend. Popular: community, education, health & wellness, family.

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Upcoming events in Diamond Bar, CA

592 events · page 1 of 15

Soonest first

Today · Monday, October 5

Oct05Mon

CommunityCost not stated

5th Grade Discipleship Team

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

8:30 AM · America/Los_Angeles · In person

Oct05Mon

EducationCost not stated

Zumba® Class

20801 GOLDEN SPRINGS DR. DIAMOND BAR, CA 91789 · Diamond Bar, CA

8:30 AM · America/Los_Angeles · In person

Oct05Mon

Arts & cultureCost not stated

Slice of Art (4-7)

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

9:00 AM · America/Los_Angeles · In person

Oct05Mon

SportsCost not stated

Junior Aces Tennis

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

9:00 AM · America/Los_Angeles · In person

Oct05Mon

Arts & cultureCost not stated

Acrylic Painting For Kids

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

9:00 AM · America/Los_Angeles · In person

Oct05Mon

CommunityCost not stated

Aqua Fit

20801 GOLDEN SPRINGS DR. DIAMOND BAR, CA 91789 · Diamond Bar, CA

9:00 AM · America/Los_Angeles · In person

Oct05Mon

CommunityCost not stated

PROGRAMs

Fundraising & Donations · Diamond Bar, CA

9:15 AM · America/Los_Angeles · In person

Oct05Mon

CommunityCost not stated

Body Works Plus Abs

20801 GOLDEN SPRINGS DR. DIAMOND BAR, CA 91789 · Diamond Bar, CA

9:45 AM · America/Los_Angeles · In person

Oct05Mon

CommunityCost not stated

About

Lab Grown Diamonds in Diamond Bar · Diamond Bar, CA

11:00 AM · America/Los_Angeles · In person

Oct05Mon

EducationCost not stated

Zumba® Class

20801 GOLDEN SPRINGS DR. DIAMOND BAR, CA 91789 · Diamond Bar, CA

11:00 AM · America/Los_Angeles · In person

Oct05Mon

MusicCost not stated

BG Hip-Hop Advanced Team

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

12:30 PM · America/Los_Angeles · In person

Oct05Mon

CommunityCost not stated

Weekend: ( )

Cajun Seafood Boil: Shrimp, Crab & More in ... · Diamond Bar, CA

3:00 PM · America/Los_Angeles · In person

Oct05Mon

Arts & cultureCost not stated

Hope-Class Creative Art Class

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

3:30 PM · America/Los_Angeles · In person

Oct05Mon

Arts & cultureCost not stated

Kuromi™'s Charm Studio

Diamond Bar Library - Meeting Room · Diamond Bar, CA

4:00 PM · America/Los_Angeles · In person

Oct05Mon

FamilyCost not stated

Teens - Mood Board Mondays

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

4:30 PM · America/Los_Angeles · In person

Oct05Mon

Health & wellnessCost not stated

Yoga

20801 GOLDEN SPRINGS DR. DIAMOND BAR, CA 91789 · Diamond Bar, CA

4:30 PM · America/Los_Angeles · In person

Oct05Mon

FamilyCost not stated

Baby Ballet (October-December)

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

5:00 PM · America/Los_Angeles · In person

Oct05Mon

MusicCost not stated

Music and Movement Mondays

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

5:30 PM · America/Los_Angeles · In person

Oct05Mon

DanceCost not stated

Ballet (October-December)

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

5:30 PM · America/Los_Angeles · In person

Oct05Mon

EducationCost not stated

Zumba® Class

20801 GOLDEN SPRINGS DR. DIAMOND BAR, CA 91789 · Diamond Bar, CA

5:45 PM · America/Los_Angeles · In person

Oct05Mon

CommunityCost not stated

Aqua Fit

20801 GOLDEN SPRINGS DR. DIAMOND BAR, CA 91789 · Diamond Bar, CA

6:00 PM · America/Los_Angeles · In person

Oct05Mon

SportsCost not stated

Junior Aces Tennis Class (2 days)

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

6:15 PM · America/Los_Angeles · In person

Oct05Mon

CommunityCost not stated

Cycle

20801 GOLDEN SPRINGS DR. DIAMOND BAR, CA 91789 · Diamond Bar, CA

6:45 PM · America/Los_Angeles · In person

Oct05Mon

Health & wellnessCost not stated

Yoga

20801 GOLDEN SPRINGS DR. DIAMOND BAR, CA 91789 · Diamond Bar, CA

7:00 PM · America/Los_Angeles · In person

Tomorrow · Tuesday, October 6

Oct06Tue

SportsCost not stated

Tuesday Night Barrel Race

Triple Crown Equestrian Center, 3033 Gladding Road, Lincoln, CA, United States · Diamond Bar, CA

All day · In person

Oct06Tue

CommunityCost not stated

Body Works Plus Abs

20801 GOLDEN SPRINGS DR. DIAMOND BAR, CA 91789 · Diamond Bar, CA

8:30 AM · America/Los_Angeles · In person

Oct06Tue

CommunityCost not stated

Total Body

20801 GOLDEN SPRINGS DR. DIAMOND BAR, CA 91789 · Diamond Bar, CA

8:30 AM · America/Los_Angeles · In person

Oct06Tue

CommunityCost not stated

Tuesday, October 6

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

8:30 AM · America/Los_Angeles · In person

About these listings

Events come from local sources and are reviewed before publication. Details can change; check with the organizer before you go. Unknown information is always labeled.