10/15/2026
2026 Bay Area Science Festival w/ 125+ Free Hands-on Experiences (UCSF)
Saturday, October 17, 2026
11:00 am to 4:00 pm
Cost: FREE
Koret Quad, San Francisco
The Bay Area Science Festival returns to UCSF’s Mission Bay Campus on Saturday, October 17, 2026, from 11 a.m. to 4 p.m., offering more than 125 free, hands-on science experiences for all ages. Attendees can enjoy interactive experiments, live demonstrations, games, lab tours, film screenings, and science talks while exploring science, technology, engineering, and math in a fun, family-friendly environment.
54th Annual Half Moon Bay Art & Pumpkin Festival (Oct. 17-18)
Saturday, October 17, 2026
9:00 am to 5:00 pm
Cost: FREE
Main St., Half Moon Bay
The 54th Annual Half Moon Bay Art & Pumpkin Festival takes over historic Main Street on October 17–18, 2026, with free admission and a festive celebration of fall featuring giant pumpkins, arts and crafts, delicious food, live music, and family-friendly activities. Highlights include the Great Pumpkin Parade, costume and pie-eating contests, pumpkin carving, and entertainment across multiple stages, making it a fun autumn outing for visitors of all ages.
SF’s 51st Annual Potrero Hill R&B Festival (2026)
Saturday, October 17, 2026
10:00 am to 5:00 pm
Cost: FREE
San Francisco
San Francisco’s 51st Annual Potrero Hill R&B Festival takes place on Saturday, October 17, 2026, from 10 a.m. to 5 p.m., transforming four blocks of 20th Street into a lively neighborhood celebration with live R&B music on two stages, local food vendors, artists, and family-friendly activities. Admission is free, and the festival also supports local elementary schools and after-school programs, making it a fun way to enjoy music, food, and community spirit while giving back.