The Sombrero Festival has become one of Brownsville's signature celebrations, bridging the cultural traditions of the Rio Grande Valley with contemporary entertainment and family fun. Held annually during the pre-Lenten season at Washington Park, the three-day festival features performances across multiple stages showcasing Tejano, Corrido, Rock, and Regional Mexican artists.

The festival's lineup reflects the vibrant musical heritage of South Texas. Performers include established acts like Edwin Luna, Tejano Boys, and Emilio alongside newer artists, creating a mix that appeals to both traditionalists and younger audiences. With performances starting as early as 5:00 PM and extending into the late evening across two main venue areas (the Main Stage and the Big Tent), attendees can experience continuous entertainment throughout each day.

Beyond the music, the Sombrero Festival celebrates Brownsville's broader cultural traditions. The event features chili cook-offs, the playful "Frijolympics" games, a 5K race, and kayak activities that reflect the region's food culture and outdoor recreation. Carnival games and children's activities ensure the festival appeals to families. Food vendors offer local and traditional cuisine, and the atmosphere captures the festive spirit of pre-Lenten celebrations that have deep roots in South Texas culture.

With gates opening at staggered times (1:00 PM Thursday, 11:00 AM Friday, 7:00 AM Saturday) and free admission for the first three hours of each day, the festival is designed to be accessible to the community. The festival is sponsored by major regional and national organizations including SpaceX, Budweiser, Ford, and the University of Texas Rio Grande Valley, underscoring its significance as a major event in the Rio Grande Valley calendar.