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Friday, October 30

SF State’s Free Public Rooftop Stargazing Nights w/ Huge Telescope (October 2026)
Friday, October 30 – 7:00 pm - Ends at 9:00 pm | Cost: FREE*
*Events are weather-dependent. Check the observatory's stories or follow its updates for confirmation each night.
| San Francisco State University Observatory
SF State's Free Public Rooftop Stargazing Nights w/ Huge Telescope (October 2026)

San Francisco State University Observatory hosts a free public open night with family-friendly astronomy talks, updates on astronomy research, and rooftop telescope observing. Programming is offered in English and Spanish, weather permitting. Located at SFSU Thornton Hall top floor Upcoming Weekly Schedule Through Dec. 4, ...

Saturday, October 31

Ocular Oddities: 21+ After Hours at the Museum of the Eye (SF)
Saturday, October 31 – 5:30 pm - Ends at 8:00 pm | Cost: $20.72*
*$20.72 General Admission + fees and a hosted beer and wine bar
| Truhlsen-Marmor Museum of the Eye
Ocular Oddities: 21+ After Hours at the Museum of the Eye (SF)
Get into the Halloween spirit at this 21+ after-hours event at the Museum of the Eye. Explore rarely seen artifacts, from 19th-century glass eyeballs to articulated skulls, and hear strange stories from ophthalmology’s past + enjoy a hosted beer & wine bar. Ocular Oddities: After Hours Saturday, October ...

Trick or Treat w/ Robots Handing Out Candy for Halloween 2026 (Potrero Hill)
Saturday, October 31 – 5:00 pm - Ends at 8:00 pm | Cost: FREE*
*No RSVP or tickets required. Children should come with a grown-up.
| 374 Connecticut St.
Trick or Treat w/ Robots Handing Out Candy for Halloween 2026 (Potrero Hill)
A group of friends built robots that hand out candy to trick-or-treaters, and they’re bringing even more robots out this Saturday. Trick or Treat with Robots Saturday, October 31, 2026, 5–8 PM 374 Connecticut St., Potrero Hill, San Francisco Free outdoor stop, no RSVP or tickets; children should come ...

Wednesday, November 4

Black Hammer’s Free “Hopped Up” Trivia Night (Every Wednesday)
Wednesday, November 4 – 7:00 pm | Cost: FREE | Black Hammer Brewing
Black Hammer's Free "Hopped Up" Trivia Night (Every Wednesday)

No pens, no paper. Join us for three rounds of fast-paced gameshow-style pub trivia in our taproom every Wednesday at 7PM. Free admission, with bonus points for fastest answer and a live scoreboard. Hopped Up Trivia at 7pm Black Hammer Brewing, 544 Bryant ...Every Wednesday

Thursday, November 5

SF State’s Free Public Rooftop Stargazing Nights w/ Huge Telescope (Nov. 2026)
Thursday, November 5 – 6:30 pm - Ends at 8:30 pm | Cost: FREE*
*Events are weather-dependent. Check the observatory's stories or follow its updates for confirmation each night.
| San Francisco State University Observatory
SF State's Free Public Rooftop Stargazing Nights w/ Huge Telescope (Nov. 2026)

San Francisco State University Observatory hosts a free public open night with family-friendly astronomy talks, updates on astronomy research, and rooftop telescope observing. Programming is offered in English and Spanish, weather permitting. Located at SFSU Thornton Hall top floor Upcoming Weekly Schedule Through Dec. 4, ...

How the 2020 Census Was Made: Free Talk w/ Danah Boyd (Mountain View)
Thursday, November 5 – 7:00 pm | Cost: FREE | Computer History Museum
How the 2020 Census Was Made: Free Talk w/ Danah Boyd (Mountain View)
Where does the data that shapes our democracy actually come from? Join technology and social media scholar danah boyd to go behind the scenes of the U.S. Census. Drawing on insights from her new book, Data Are Made, Not Found, boyd explores what it took ...

Friday, November 6

Steven Universe in Concert at Grace Cathedral
Friday, November 6 – 7:00 pm - Ends at 9:00 pm | Cost: $25*
*$25 to $50
| Grace Cathedral
Steven Universe in Concert at Grace Cathedral
Join us for a magical evening of music from Steven Universe. For the first time ever, Sixth Station Trio will be collaborating with the composers of Steven Universe, Aivi & Surasshu, in a full program featuring all of your favorite tunes from the show! Indulge ...

Sunday, November 8

Anime & Manga Club: An Afternoon Full Of Fun | SF
Sunday, November 8 – 2:00 pm - Ends at 3:30 pm | Cost: FREE | Park Branch Library
Anime & Manga Club: An Afternoon Full Of Fun | SF

Come join at the Park Branch Library, every 2nd Sunday of the month, for an afternoon of anime, manga, discussion, art, and lots of fun. Snacks and refreshments will be provided. This club is for teens ages 12-18 years old.Monthly

Wednesday, November 11

Black Hammer’s Free “Hopped Up” Trivia Night (Every Wednesday)
Wednesday, November 11 – 7:00 pm | Cost: FREE | Black Hammer Brewing
Black Hammer's Free "Hopped Up" Trivia Night (Every Wednesday)

No pens, no paper. Join us for three rounds of fast-paced gameshow-style pub trivia in our taproom every Wednesday at 7PM. Free admission, with bonus points for fastest answer and a live scoreboard. Hopped Up Trivia at 7pm Black Hammer Brewing, 544 Bryant ...Every Wednesday

Thursday, November 12

SF State’s Free Public Rooftop Stargazing Nights w/ Huge Telescope (Nov. 2026)
Thursday, November 12 – 6:30 pm - Ends at 8:30 pm | Cost: FREE*
*Events are weather-dependent. Check the observatory's stories or follow its updates for confirmation each night.
| San Francisco State University Observatory
SF State's Free Public Rooftop Stargazing Nights w/ Huge Telescope (Nov. 2026)

San Francisco State University Observatory hosts a free public open night with family-friendly astronomy talks, updates on astronomy research, and rooftop telescope observing. Programming is offered in English and Spanish, weather permitting. Located at SFSU Thornton Hall top floor Upcoming Weekly Schedule Through Dec. 4, ...

Wednesday, November 18

SF State’s Free Public Rooftop Stargazing Nights w/ Huge Telescope (Nov. 2026)
Wednesday, November 18 – 6:30 pm - Ends at 8:30 pm | Cost: FREE*
*Events are weather-dependent. Check the observatory's stories or follow its updates for confirmation each night.
| San Francisco State University Observatory
SF State's Free Public Rooftop Stargazing Nights w/ Huge Telescope (Nov. 2026)

San Francisco State University Observatory hosts a free public open night with family-friendly astronomy talks, updates on astronomy research, and rooftop telescope observing. Programming is offered in English and Spanish, weather permitting. Located at SFSU Thornton Hall top floor Upcoming Weekly Schedule Through Dec. 4, ...

Black Hammer’s Free “Hopped Up” Trivia Night (Every Wednesday)
Wednesday, November 18 – 7:00 pm | Cost: FREE | Black Hammer Brewing
Black Hammer's Free "Hopped Up" Trivia Night (Every Wednesday)

No pens, no paper. Join us for three rounds of fast-paced gameshow-style pub trivia in our taproom every Wednesday at 7PM. Free admission, with bonus points for fastest answer and a live scoreboard. Hopped Up Trivia at 7pm Black Hammer Brewing, 544 Bryant ...Every Wednesday

Friday, November 20

SF State’s Free Public Rooftop Stargazing Nights w/ Huge Telescope (Nov. 2026)
Friday, November 20 – 6:30 pm - Ends at 8:30 pm | Cost: FREE*
*Events are weather-dependent. Check the observatory's stories or follow its updates for confirmation each night.
| San Francisco State University Observatory
SF State's Free Public Rooftop Stargazing Nights w/ Huge Telescope (Nov. 2026)

San Francisco State University Observatory hosts a free public open night with family-friendly astronomy talks, updates on astronomy research, and rooftop telescope observing. Programming is offered in English and Spanish, weather permitting. Located at SFSU Thornton Hall top floor Upcoming Weekly Schedule Through Dec. 4, ...

Saturday, November 21

“Science@Cal”: Renowned Scientist Lecture | UC Berkeley
Saturday, November 21 – 11:00 am - Ends at 12:30 pm | Cost: FREE | Mulford Hall (UC Berkeley)
"Science@Cal": Renowned Scientist Lecture | UC Berkeley

Science@Cal is proud to present a series of free public science lectures on the third Saturday of every month. These talks are given by renowned UC Berkeley scientists and aimed at general audiences. Talks take place on the UC Berkeley campus at 11 am. Doors ...Monthly

Monday, November 23

“Supermoon” Night Over San Francisco 2026
Monday, November 23 – 11:59 pm - Ends at 7:00 am | Cost: FREE | San Francisco Bay Area
"Supermoon" Night Over San Francisco 2026

Thanks to an optical illusion in the sky, the moon will appear bigger and brighter than normal in the San Francisco Bay Area in the night, during what astronomers call a “supermoon.” Because the sun is about 50,000 miles closer to the earth than at ...

Wednesday, November 25

Black Hammer’s Free “Hopped Up” Trivia Night (Every Wednesday)
Wednesday, November 25 – 7:00 pm | Cost: FREE | Black Hammer Brewing
Black Hammer's Free "Hopped Up" Trivia Night (Every Wednesday)

No pens, no paper. Join us for three rounds of fast-paced gameshow-style pub trivia in our taproom every Wednesday at 7PM. Free admission, with bonus points for fastest answer and a live scoreboard. Hopped Up Trivia at 7pm Black Hammer Brewing, 544 Bryant ...Every Wednesday

Wednesday, December 2

SF State’s Free Public Rooftop Stargazing Nights w/ Huge Telescope (Final Week of 2026)
Wednesday, December 2 – 6:30 pm - Ends at 8:30 pm | Cost: FREE*
*Events are weather-dependent. Check the observatory's stories or follow its updates for confirmation each night.
| San Francisco State University Observatory
SF State's Free Public Rooftop Stargazing Nights w/ Huge Telescope (Final Week of 2026)

San Francisco State University Observatory hosts a free public open night with family-friendly astronomy talks, updates on astronomy research, and rooftop telescope observing. Programming is offered in English and Spanish, weather permitting. Located at SFSU Thornton Hall top floor Upcoming Weekly Schedule Through Dec. 4, ...

Black Hammer’s Free “Hopped Up” Trivia Night (Every Wednesday)
Wednesday, December 2 – 7:00 pm | Cost: FREE | Black Hammer Brewing
Black Hammer's Free "Hopped Up" Trivia Night (Every Wednesday)

No pens, no paper. Join us for three rounds of fast-paced gameshow-style pub trivia in our taproom every Wednesday at 7PM. Free admission, with bonus points for fastest answer and a live scoreboard. Hopped Up Trivia at 7pm Black Hammer Brewing, 544 Bryant ...Every Wednesday

Thursday, December 3

SF State’s Free Public Rooftop Stargazing Nights w/ Huge Telescope (Final Week of 2026)
Thursday, December 3 – 6:30 pm - Ends at 8:30 pm | Cost: FREE*
*Events are weather-dependent. Check the observatory's stories or follow its updates for confirmation each night.
| San Francisco State University Observatory
SF State's Free Public Rooftop Stargazing Nights w/ Huge Telescope (Final Week of 2026)

San Francisco State University Observatory hosts a free public open night with family-friendly astronomy talks, updates on astronomy research, and rooftop telescope observing. Programming is offered in English and Spanish, weather permitting. Located at SFSU Thornton Hall top floor Upcoming Weekly Schedule Through Dec. 4, ...

Friday, December 4

SF State’s Free Public Rooftop Stargazing Nights w/ Huge Telescope (Final Night of 2026)
Friday, December 4 – 6:30 pm - Ends at 8:30 pm | Cost: FREE*
*Events are weather-dependent. Check the observatory's stories or follow its updates for confirmation each night.
| San Francisco State University Observatory
SF State's Free Public Rooftop Stargazing Nights w/ Huge Telescope (Final Night of 2026)

San Francisco State University Observatory hosts a free public open night with family-friendly astronomy talks, updates on astronomy research, and rooftop telescope observing. Programming is offered in English and Spanish, weather permitting. Located at SFSU Thornton Hall top floor Upcoming Weekly Schedule Through Dec. 4, ...

Saturday, December 5

World’s Only Terpnami ‘Seed Rave’ Returns to SF: Live DJs, Breeders + Art (Dec 5-6)
Saturday, December 5 – 12:00 pm - Ends at 5:00 pm | Cost: FREE | RSVP for details
World’s Only Terpnami ‘Seed Rave’ Returns to SF: Live DJs, Breeders + Art (Dec 5-6)
The highest-level genetics conversation in the world returns to the Bay Area this December to help growers worldwide garden harder, better, faster, and stronger. Over 1,000 growers big and small from around the world interact with 30 of the world’s top breeders over two days December ...

Wednesday, December 9

Black Hammer’s Free “Hopped Up” Trivia Night (Every Wednesday)
Wednesday, December 9 – 7:00 pm | Cost: FREE | Black Hammer Brewing
Black Hammer's Free "Hopped Up" Trivia Night (Every Wednesday)

No pens, no paper. Join us for three rounds of fast-paced gameshow-style pub trivia in our taproom every Wednesday at 7PM. Free admission, with bonus points for fastest answer and a live scoreboard. Hopped Up Trivia at 7pm Black Hammer Brewing, 544 Bryant ...Every Wednesday

Sunday, December 13

Anime & Manga Club: An Afternoon Full Of Fun | SF
Sunday, December 13 – 2:00 pm - Ends at 3:30 pm | Cost: FREE | Park Branch Library
Anime & Manga Club: An Afternoon Full Of Fun | SF

Come join at the Park Branch Library, every 2nd Sunday of the month, for an afternoon of anime, manga, discussion, art, and lots of fun. Snacks and refreshments will be provided. This club is for teens ages 12-18 years old.Monthly

Geminids Meteor Shower 2026 (How to Watch in San Francisco)
Sunday, December 13 – 9:00 pm - Ends at 6:00 am | Cost: FREE | San Francisco Bay Area
Geminids Meteor Shower 2026 (How to Watch in San Francisco)

The cosmos’ annual gift to sky watchers, the Geminids Meteor Shower, is visible from December 4 to December 17, 2026, and will peak on the night of December 13-14, 2026. The Geminids are usually the strongest meteor shower of the year, producing up to 150 ...

Wednesday, December 16

Black Hammer’s Free “Hopped Up” Trivia Night (Every Wednesday)
Wednesday, December 16 – 7:00 pm | Cost: FREE | Black Hammer Brewing
Black Hammer's Free "Hopped Up" Trivia Night (Every Wednesday)

No pens, no paper. Join us for three rounds of fast-paced gameshow-style pub trivia in our taproom every Wednesday at 7PM. Free admission, with bonus points for fastest answer and a live scoreboard. Hopped Up Trivia at 7pm Black Hammer Brewing, 544 Bryant ...Every Wednesday

Saturday, December 19

“Science@Cal”: Renowned Scientist Lecture | UC Berkeley
Saturday, December 19 – 11:00 am - Ends at 12:30 pm | Cost: FREE | Mulford Hall (UC Berkeley)
"Science@Cal": Renowned Scientist Lecture | UC Berkeley

Science@Cal is proud to present a series of free public science lectures on the third Saturday of every month. These talks are given by renowned UC Berkeley scientists and aimed at general audiences. Talks take place on the UC Berkeley campus at 11 am. Doors ...Monthly

Wednesday, December 23

Last “Supermoon”of 2026 Over San Francisco
Wednesday, December 23 – 4:45 pm - Ends at 11:59 pm | Cost: FREE | San Francisco Bay Area
Last "Supermoon"of 2026 Over San Francisco

Thanks to an optical illusion in the sky, the moon will appear bigger and brighter than normal in the San Francisco Bay Area in the night, during what astronomers call a “supermoon.” Because the sun is about 50,000 miles closer to the earth than at ...

Black Hammer’s Free “Hopped Up” Trivia Night (Every Wednesday)
Wednesday, December 23 – 7:00 pm | Cost: FREE | Black Hammer Brewing
Black Hammer's Free "Hopped Up" Trivia Night (Every Wednesday)

No pens, no paper. Join us for three rounds of fast-paced gameshow-style pub trivia in our taproom every Wednesday at 7PM. Free admission, with bonus points for fastest answer and a live scoreboard. Hopped Up Trivia at 7pm Black Hammer Brewing, 544 Bryant ...Every Wednesday