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

Orange County & LA Coast'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.)

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

FREE fall and holiday mini photo sessions with Shoott! - Irvine & Orange County - Broadway, New York, NY, USA, Saturday, September 5, 2026 to Sunday, September 6, 2026, See link for times

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

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

Fiesta Hermosa Labor Day Weekend - Hermosa Beach, CA, USA, Saturday, September 5, 2026 to Sunday, September 6, 2026, 12:00 pm - 7:00 pm