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Science events in and around San Francisco this weekend

34 events this weekend (Oct 23–25) in and around San Francisco, 21 of them free. Each links to its original listing. Updated October 23.

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Friday, October 23

8 AM Foothill Yellow-legged Frog Ecology & Conservation Workshop Laguna de Santa Rosa Foundation $400
10 AM SILICON VALLEY BUSINESS CONCIERGE SERVICE (For Visiting Executives) Fairmont San Francisco Free
10 AM SILICON VALLEY OPPORTUNITY TOUR 2026-2027 Rosewood Sand Hill Free
12:30 PM Tech Talk & Connect: Lunch Benhamou Global Ventures LLC $33.85
2 PM THE FUTURE OF AI IN SPORTS, GAMES, ENTERTAINMENT & CREATOR ECONOMY Fairmont San Francisco $475
4 PM Code in the Cluster: Introduction to High-Performance Computing Spilker 232 Engineering & Applied Sciences Building Free
5 PM GameDev Walks Penitencia Creek Park Free
5 PM Intro to Welding Visual Philosophy $168.99

Saturday, October 24

8 AM AI in Education Summit 2026 - Khan Lab School Khan Lab School - Middle & Upper School $160-$200
8 AM Climate Summit College of San Mateo Bayview Dining Room Free
8 AM Fifth Annual San Mateo County Climate Summit College of San Mateo Bayview Dining Room Free
9 AM International Day of Climate Action Volunteering Don Edwards San Francisco Bay National Wildlife Refuge Environmental Education Center Free
9 AM PMP Certification Training in Erie, PA | PMI Exam Prep Highway 101 Sold out
9 AM The Debug Table SF: 24-Hour AI Operations Hackathon Stanford Court San Francisco $0-$119
9 AM Trash or Treat and the Invasion of Exotic Weeds! Lagunita BBQ Pit Free
9:30 AM ASEI 38th Anual Convention Computer History Museum $44.52
10 AM Middle School Girls STEM & Business Opportunity Saratoga High School Free
10 AM SILICON VALLEY BUSINESS CONCIERGE SERVICE (For Visiting Executives) Fairmont San Francisco Free
10 AM SILICON VALLEY OPPORTUNITY TOUR 2026-2027 Rosewood Sand Hill Free
11 AM National Chemistry Week Celebration 2026: Chemistry Under Construction King Library Free
11 AM STEMPeers Bay Area Fall Meetup 2026 Mission Bay Housing Community Room $7.18
11:30 AM What DO People Do at the Science Museum? @Central: w/ Author Maggie Tokuda-Hall and UCMP Scientists! Central Library Free
1 PM STEM Saturday: 3D Printing and TinkerCAD Pearl Avenue Library Free
1 PM The Ecology of Intelligence: Archetypal Wisdom in the Age of AI The Dogpatch Hub $0-$108.55
2 PM Make Your Own Music - Music Production Workshop for Teens Saratoga Library Free
2 PM Saturday STEM: Brain Games! Willow Glen Library Free
2 PM THE FUTURE OF AI IN SPORTS, GAMES, ENTERTAINMENT & CREATOR ECONOMY Fairmont San Francisco $475
6:30 PM Introduction to Competitive Robotics (Age 8-18) Dr Owl Academy Free

Sunday, October 25

10 AM SILICON VALLEY BUSINESS CONCIERGE SERVICE (For Visiting Executives) Fairmont San Francisco Free
10 AM SILICON VALLEY OPPORTUNITY TOUR 2026-2027 Rosewood Sand Hill Free
12 PM AI SAFETY LAB - SILICON VALLEY Embarcadero Center $161.90
1 PM Student-Led Astronomy Workshop for Tweens Morgan Hill Library Free
2 PM THE FUTURE OF AI IN SPORTS, GAMES, ENTERTAINMENT & CREATOR ECONOMY Fairmont San Francisco $475
5:30 PM Otsukimi Moon Viewing Event Lakeside Park Garden Center Free

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