- What's happening in San Marcos in August 2026?
- There are 33 events in San Marcos, California in August 2026, including San Marcos Certified Farmers' Market (2026-08-02) at San Marcos Certified Farmers' Market, DIY Adult Art & Craft Series: Paint by Numbers at San Marcos Library, Summer STEAM: Marshmallow Structures at San Marcos Library, Wild Animals and Park Rangers at San Marcos Library. Browse the full August 2026 calendar on VenuNite.
- Are there free things to do in San Marcos in August 2026?
- Free events in San Marcos come and go — check VenuNite's free events page for San Marcos for what's currently listed.
- How do I find events in San Marcos for a specific date in August 2026?
- VenuNite lists every upcoming event in San Marcos, California with date filters. Use the date picker on this page to narrow August 2026 down to a single day or weekend.