Stumblday
Browse

Free Things to Do in Costa Mesa, LA Next Weekend, Sep 18–20, 2026

Stumblday's hand-checked ranking of the best free things to do in Costa Mesa, LA, Orange County next weekend, Sep 18–20, 2026: 1 pick, refreshed weekly.

1 picks · checked Sep 10

WhenAll weekendFri nightSaturdaySat nightSundaySun night
WhereAll LASanta Monica, Venice & the WestsideHollywood & West HollywoodKoreatown & Mid-WilshireDowntown LA & Arts DistrictSilver Lake, Echo Park & the EastsideStudio City, Burbank & the ValleySouth Bay & Long BeachPasadena & San Gabriel ValleyOrange CountyInland EmpireVentura CountySanta Clarita & the Antelope Valley
WhatAllFreeArtMusicMarketsOutdoorsFoodDate night

More this weekend across LA

Public Star Party – September 19, 2026Griffith Observatory, Griffith Park, Silver Lake, Echo Park & the Eastside
Bob Baker DayLos Angeles State Historic Park, Chinatown, Downtown & Chinatown
Burbank Autumn Arts FestivalJohnny Carson Park, Burbank, Studio City, Burbank & the Valley
Pasadena ARTWalkGreen Street, Playhouse Village, Pasadena, Pasadena & San Gabriel Valley
Textile Alchemy: The Art of Reiko Sudō and NunoLACMA, Miracle Mile, Koreatown & Mid-Wilshire
Central Avenue Jazz FestivalCentral Avenue between MLK Boulevard and Vernon Avenue, Historic South Central, Downtown LA & Arts District