Free things to do this weekend in and around Orange County, CA

Los Angeles & Orange County's Top Picks for FREE family-friendly fun Friday, September 4, 2026 to Sunday, September 6, 2026.

(Scroll down for full, detailed list of free weekend activities.)

FREE fall and holiday mini photo sessions with Shoott! - Irvine & Orange County - Shoott - Broadway, New York, NY, USA - Friday, September 4, 2026; Saturday, September 5, 2026; Sunday, September 6, 2026 (see event listing for exact session times)

Little Seedlings Story Time - Sherman Library & Gardens - East Coast Highway, Corona Del Mar, CA, USA - Friday, September 4, 2026, 10:00 am - 10:30 am

Beach Cleanup - Cabrillo Marine Aquarium - 3720 Stephen M White Drive, San Pedro, CA 90731, United States - Saturday, September 5, 2026, 9:00 am - 10:30 am

Marina del Rey Farmers Market - Los Angeles County Department of Beaches & Harbors - 13837 Fiji Way, Marina del Rey, CA 90292, United States - Saturday, September 5, 2026, 9:00 am - 2:00 pm PST

Storytime in the Nature Garden - Natural History Museum of Los Angeles County - Exposition Boulevard, Los Angeles, CA, USA - Saturday, September 5, 2026, 10:30 am

Birding Tours - Bolsa Chica Conservancy - Warner Avenue, Huntington Beach, CA, USA - Saturday, September 5, 2026, 9:00 am - 3:00 pm

Fiesta Hermosa - Labor Day Weekend - Hermosa Beach, CA, USA - Saturday, September 5, 2026 through Monday, September 7, 2026, 12:00 pm - 7:00 pm