Things to Do in Diamond Bar, CA — This Weekend

Discover things to do this weekend in Diamond Bar, CA on VibeHawk. Browse upcoming events with dates, venues, and ticket prices, then tap any listing for details and tickets.

• Thriftapalooza

  Saturday, July 18, 2026 · All day

  Expo Hall 4, CA

  Free

• Summer Discovery Challenge

  Saturday, July 18, 2026 · All day

  Bidwell Forum at Glendora Public Library, 140 S. Glendora Ave., CA

  Free

• Pomona Valley Bowling Competition

  Saturday, July 18, 2026 · 2:15 AM

  400 W Bonita Ave San Dimas, CA

  Free

• The Harvest Is Abundant

  Saturday, July 18, 2026 · 8:00 AM

  St Bruno Catholic Church, 15740 Citrustree Road, Whittier, CA

  See tickets

• Monterey Symphony Announces 2026-2027 Season

  Saturday, July 18, 2026 · 8:00 AM

  San Carlos St at Ninth Ave, Carmel by the Sea, CA

  See tickets

• Singles Ministry: Coffee & Jesus

  Saturday, July 18, 2026 · 9:00 AM

  Friends Church Pavilion, CA

  See tickets

• Upcoming Family Fun & Special Events

  Saturday, July 18, 2026 · 9:00 AM

  Yorba Linda Cultural Arts Center, CA

  Free

• LIFE Program Sign-Up at Fan Zone Pop-Up

  Saturday, July 18, 2026 · 10:30 AM

  LA VERNE/FAIRPLEX STATION, Arrow Highway, La Verne, CA 91750, La Verne, CA

  Free

• Where Water Meets Color Paint N Party

  Saturday, July 18, 2026 · 11:00 AM

  Bidwell Forum at Glendora Public Library, 140 S. Glendora Ave., CA

  Free

• Carmel Bach Festival | Family Concert: Birds of a Feather!

  Saturday, July 18, 2026 · 11:00 AM

  San Carlos St at Ninth Ave, Carmel by the Sea, CA

  See tickets

• Open House at 7463 Western Bay Dr

  Saturday, July 18, 2026 · 12:00 PM

  7463 Western Bay Dr, Buena Park, CA

  Free

• Carmel Bach Festival: Mike Marshall & Caterina Lichtenberg

  Saturday, July 18, 2026 · 12:00 PM

  48601 California 1, Big Sur, CA

  See tickets

• Orange County Ragtime Society Meet

  Saturday, July 18, 2026 · 2:00 PM

  141 W. Wilshire (Suite A), Fullerton, CA

  Free

• The SpongeBob Musical (Volcano Cast)

  Saturday, July 18, 2026 · 2:00 PM

  The Phantom Projects Theatre at La Habra Depot, 311 South Euclid Street, La Habra, CA

  $19.98–$39.19

• Xtreme Music Bingo Taphouse Edition

  Saturday, July 18, 2026 · 5:30 PM

  1030 E. Cypress Ave., Suite D, Redding, CA

  Free

• Taylor Williamson

  Saturday, July 18, 2026 · 6:00 PM

  Brea Improv, 180 S Brea Blvd, Brea, CA

  $31.14–$83.16

• A Toast to the Heroes Among Us

  Saturday, July 18, 2026 · 6:00 PM

  8071 Whitaker St, 8071 Whitaker Street, Buena Park, CA

  See tickets

• Andrew Schulz

  Saturday, July 18, 2026 · 7:00 PM

  Brea Improv, 180 S Brea Blvd, Brea, CA

  $54.30–$106.51

• Tonight at the Improv

  Saturday, July 18, 2026 · 7:00 PM

  Hollywood Improv (The Main Room), CA

  See tickets

• Champions Club Family Movie Night

  Saturday, July 18, 2026 · 7:00 PM

  5091 Mountain View Ave., Yorba Linda, CA

  See tickets

• Bill Pickett Invitational Rodeo - Saturday

  Saturday, July 18, 2026 · 7:00 PM

  Industry Hills Expo Center, 16200 Temple Avenue, City Of Industry, California, CA

  See tickets

• Kevin James Thornton

  Saturday, July 18, 2026 · 8:00 PM

  4818 Chicago Avenue, Minneapolis, MN

  $60

• Candlelight: Tribute to ABBA

  Saturday, July 18, 2026 · 8:45 PM

  150 E 4th St, Claremont, CA

  See tickets

• Molecular Biology Summer Camp

  Saturday, July 18, 2026 · 9:00 PM

  13800 Biola Ave, La Mirada, CA

  $350

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