Free things to do this weekend in and around San Antonio

San Antonio's Top Picks for FREE family-friendly fun Friday, April 17, 2026 to Sunday, April 19, 2026.

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

• Texas America250 Reading Challenge – 1201 Brazos St, Austin, Texas 78701, Friday, April 17, 2026 to Sunday, April 19, 2026, all day
• 37th Annual Burton Cotton Gin Festival – 307 North Main Street, Burton, TX 77835, Saturday, April 18, 2026, 10 am - 6pm
• Fiesta de los Niños – General Hudnell Dr, San Antonio, TX, Saturday, April 18, 2026, 10 am- 6 pm
• Free Family Swim – West Cesar E. Chavez Boulevard, San Antonio, TX, Saturday, April 18, 2026, during normal pool hours
• Earth Day 2026 – East Klingemann Street, New Braunfels, TX, Saturday, April 18, 2026, 9 am- 12 pm
• In Full Bloom – FM 775, Floresville, TX, Saturday, April 18, 2026, 9 am – 2 pm
• FREE Entry Day – Celebrate Earth Day and Native Plant Month – 10750 Pleasanton Rd, San Antonio, TX 78221, Saturday, April 18, 2026, 8 am- 3 pm
• Teen Job Fair (13-17 years) – 550 Scott St, Kyle, TX 78640, Saturday, April 18, 2026, 10 am- 1 pm
• BABY DAY! – 131 Bulverde Crossing, Bulverde, TX 78163, Saturday, April 18, 2026, 10 am- 12:30 pm
• Baby Day – 625 E Hopkins St, San Marcos, TX 78666, Saturday, April 18, 2026, 10 am
• Type-In with Austin Typewriter, Ink. – 313 West Nolte Street, Seguin, TX 78155, Saturday, April 18, 2026, 1-4 pm
• World Heritage Day – World Heritage Center, Saturday, April 18, 2026, 10:00 AM
• Helotes Area Community Band Spring Concert - Strike Up The Band! – Kyle Seale Parkway, San Antonio, TX, Sunday, April 19, 2026, 3:00-4:30PM