Friday, Aug. 11

Houghton Library Tours from 12:30 to 3 p.m. Houghton Library, at Quincy and Harvard streets in Harvard Yard, Cambridge (and every Friday through Aug. 25). Free. Librarian and curator Dale Stinchcomb gives a tour of an exhibit of Royal Chicano Air Force posters from 12:30 to 1 p.m., but if you miss it you can still catch a tour of the library itself, discovering its rare books and manuscripts, from 2 to 3 p.m. Information is here and here.

Weekly Friday Meditation, from 5:30 to 6:15 p.m. at The Foundry, 101 Rogers St., East Cambridge (and every Friday). Free, but register to save your spot. Start the weekend feeling fresh and centered during this class that is unaffiliated with any religion or ideology. Information is here.

Dancing on the Row from 6 to 8:30 p.m. on the green space near Smoke Shop BBQ at Assembly Row, 375 Artisan Way, Assembly Square, Somerville (and continuing every other Friday through Sept. 8). Free. MetaMovements artist collective members from Cuba, Dominican Republic and the United States created “animaciones” (choreographed group dances/follow-alongs) for this year’s dance series, which features a different Latin dance style each Friday. The evening begins with a lesson followed by live DJs spinning Latin music. Information is here.

The “Namaslay” puppet musical. (Photo: Playdoh Kolo via Facebook)

“Namaslay” puppet musical at 7:30 p.m. at Arts at the Armory, 191 Highland Ave., Somerville. $12.50. New Orleans’ Playdoh Puppet Productions tackles gentrification and toxic positivity with puppets. One night only. Information is here.

Detention: Stand-Up in a Speakeasy at 8 and 10 p.m. at the Cambridge Community Center, 5 Callender St., Riverside (and every Friday and Saturday). $15. Head to the basement, grab a $4 beer or seltzer and enjoy this comedy show. Information is here.

Saturday, Aug. 12

Yoga Studio Outdoors Yoga from 9 to 10 a.m. at Sylvester Baxter Riverfront Park, Assembly Row, Somerville (and continuing every Saturday). Free, but registration is required. Bring your own mat to this refreshing community gathering along the Mystic riverfront. Information is here.

Bootcamp with Broncore Fitness from 10 to 11 a.m. at Dawes Field, 300 Water St., East Cambridge. Free. Broncore’s Mark Cocuzzo teams up with DJ J Wall for an energetic and constantly changing workout with great vibes. Bring water and a mat to this all-levels outdoor session, part of the CXFit lineup of classes at Cambridge Crossing. Information is here.

Popportunity from noon to 5 p.m. at Starlight Square, 84 Bishop Allen Drive, Central Square, Cambridge (and continuing Saturdays and Sundays until winter). Browse 15 pop-up stalls selling goods from new, small businesses. Enter through Graffiti Alley, across from Pearl Street on Massachusetts Avenue, and enjoy food, arts and fun. Information is here.

A sculpture by Ilana Krepchin at a past Somerville Yart Sale. (Photo: Somerville Wire)

Yart Sale from noon to 6 p.m. outside various Somerville homes and spaces. Download the map to find locations where your fellow citizens sell art pieces, handmade objects, collectibles, art supplies or even band merch from porches, yards and driveways. There may even be art activities. (Rain date: Aug. 13.) Information is here.

Bogosplit Fashion Extravaganza from noon to 6 p.m. at Starlight Square, 84 Bishop Allen Drive, Central Square, Cambridge. Free, but register. Live music and dance sets the vibe for this runway featuring collections by local fashion designers. Information is here.

Be Free Radio Summer Party from noon to 8 p.m. at Magazine Beach, at the river end of Magazine Street, Cambridgeport. Free. The final installment of this inclusive and family-friendly outdoor summer series honoring Boston-area house music DJs. Bring snacks, a beach blanket, sunscreen and favorite shoes for chillin’ or dancin’ and to enjoy lawn games and art activities. Information is here.

Introduction to Plant and Wildlife Monitoring for Conservation from 2 to 3:30 p.m. at The Growing Center, 22 Vinal Ave., near Union Square, Somerville. Free, but register. Earthwise Aware co-founder Claire O’Neill teaches how to observe and record the plants, insects and animals in the center. No expertise required, but prepare by creating a free account on the iNaturalist app. Information is here.

Make Friends After College Party from 6 to 10 p.m. at Arts at the Armory, 191 Highland Ave., Somerville. Free. A group of mainly young professionals “just looking to make friends” throws a big summer bash with drinks, snacks, socializing and dancing to tunes from DJ Tal Rimoni. Current college students also welcome. Information is here.

Urban Cycling Panel Discussion at 7 p.m. at Patagonia, 39 Brattle St., Cambridge. Free. Join local cyclists and urban transportation enthusiasts to pepper experts and officials with questions about cycling in the city. Early comers can be first at the snack table, enter a raffle for a bicycle and take advantage of the onsite bike mechanic who’ll answer mechanical questions and do any minor repairs. Information is here.

QueenFest from 7 to 9 p.m. at Starlight Square, 84 Bishop Allen Drive, Central Square, Cambridge. Free, but register. Come to this concert celebration of queens from Cambridge and surrounding cities, featuring acts from Cambridge Rindge and Latin School students, a Queen Mentorship Program and more. Information is here.

Sunday, Aug. 13

Somerville Flea from 10 a.m. to 4 p.m. at 52 Holland St. in Davis Square, Somerville (and Sundays through October). Free. This vintage and artisan flea market also includes a farm stand. Information is here.

Game Day at the New England Science Fiction Association from noon to 10 p.m. at the group’s clubhouse at 504 Medford St., Magoun Square, Somerville. Free, but you must request a seat by email to attend. A variety of games for all tastes and abilities are available for nonmembers twice a month. Or bring your own game and teach others how to play. Information is here.

Afaa M. Weaver. (Photo: Rachel Eliza Griffiths)

Poetry Reading with Afaa M. Weaver at 3 p.m. on the East Lawn of the Longfellow House and the Washington’s Headquarters National Historic Site, 105 Brattle St., West Cambridge. Free. This award-winning author of plays, short fiction and 16 collections of poetry began his career has a Baltimore journalist and has earned many accolades since in the U.S., China and Taiwan. He reads from his latest, “A Fire in the Hills.” Information is here.

Brasil, the Land of Samba at 6 p.m. at the Performance Hall at Arts at the Armory, 191 Highland Ave., Somerville. $25. This music-filled theatrical event by Edel Holz is presented by Brazilian Theater of Boston. Information is here.

Monday, Aug. 14

Deep Dive Tour: Washington Reexamined at 2:30 p.m. at Longfellow House and the Washington’s Headquarters National Historic Site, 105 Brattle St., West Cambridge (repeating on Mondays through Oct. 30). Free. While in Cambridge, George Washington, a lifelong enslaver, took the national stage in the fight for American liberty. This tour explores Washington’s apparent contradictions and the lives of enslaved and free people at Headquarters. Information is here.

Write On! from 6:30 to 8 p.m. at Somerville Public Library, 79 Highland Ave., Central Hill (repeating the second Monday of every month). Free. Writers are given the option to discuss their work, then spend an hour writing. Prompts can be provided for those with no current project. Information is here.

Queer Tango Boston from 7:30 to 8:45 p.m. at Dance Union, 16 Bow St., Somerville. Free. Practice technique exercises to improve your couples dancing, though no need to come as a couple. All levels and roles welcome. Information is here.

Tuesday, Aug. 15

Fiber Crafts Drop-in at the Library from 11 a.m. to 12:30 p.m. at Cambridge library’s O’Connell Branch, 48 Sixth St., East Cambridge. Free. Bring your project and knit, embroider, crochet, spin, mend, cross stitch and more with other crafters in an informal, welcoming setting. Information is here.

Lydia Harrell (via the artist’s website)

Lydia Harrell sings from 6 to 8 p.m. at Danehy Park, 99 Sherman St., in Neighborhood 9 just east of Fresh Pond, Cambridge. Free. At this final installment of Club Passim’s outdoor summer concert series, enjoy the soulful, sultry-voiced and multitalented Harrell. Information is here.

Community Resiliency and Activism tour in Cambridgeport from 6:30 to 7:30 p.m. $10, registration provides meeting location. Join History Cambridge volunteer Miranda Santiago for a walking tour crash course in the Cambridgeport neighborhood’s architectural and social histories with an emphasis on the stories of long=time residents. Learn what the neighborhood has fought for and why. Information is here.

Wednesday, Aug. 16

Public Art Tour from 5:30 to 6:15 at 77 Massachusetts Ave, Cambridge. Free, but registration is required. Join the List Visual Arts Center of the Massachusetts Institute of Technology on a public art walking tour showcasing the MIT public art collection across the west side of campus. Information is here.

A/V Comedy Club at 6 p.m. at The Foundry, 101 Rogers St., East Cambridge. $5. Drop in to watch members of the local comedy community perform projector and musical comedy or other complicated material uncommon at most open-mic spaces around town. Information is here.

A Cambridge Screen on the Green event. (Photo: City of Cambridge)

Screen on the Green at 7:15 p.m. at Riverside Press Park, 2 Blackstone St., Riverside, Cambridge. Free. Bring a picnic blanket and your favorite snacks and watch “Super Mario Bros.” Information is here.

Family Movie Night on the Lawn from 7:30 to 9:30 p.m. at Somerville Public Library, 79 Highland Ave., Central Hill. Free. Bring a blanket or some beach chairs, a picnic dinner or some snacks and watch a screening of Pixar’s “Turning Red” on the lawn in front of the library. Information is here.

Thursday, Aug. 17

Divine Sweater (via the artists’ Facebook)

CX Summer Nights Concert from 5:30 to 8:30 p.m. at The Common at Cambridge Crossing, 320 Morgan Ave., Cambridge. Free. An outdoor monthly concert series wraps up with Divine Sweater and Julie Rhodes on the big stage. Enjoy food trucks, drink pours benefiting the East Cambridge Business Association, the Cityscapes TransPLANTed plant truck and the Photobooth Bus, plus spin the Wheel of Chance to win prizes from Cambridge businesses when you donate to August’s community spotlight, the Charles River Conservancy. Information is here.

Metal Shop Social Night and Skills Swap from 5:30 to 8:30 p.m. at Artisan’s Asylum, 10 Tyler St., in the Spring Hill neighborhood of Somerville, between Porter and Union squares. Free. Experienced metal fabricators show newbies the basics. Come with ideas artistic or otherwise to test, or just get familiar with the metal shop. Information is here.

Friday, Aug. 18

Brivele, Levyosn & Levoneh at 6 p.m. at the Café at Arts at the Armory, 191 Highland Ave., Somerville. Free. Come hear this Seattle and Boston trio who braid together Yiddish song, anti-fascist and labor balladry, folk-punk and contemporary rabble-rousing in three-part harmony. Information is here.

Paulina Martz directs part of a Theatre@First festival of one-act plays. (Photo: artist’s website)

Festival of One-Act Plays at 8 p.m. at Theatre@First, Unity Somerville, 6 William St., Somerville (continuing through Aug. 26). $20. Eight original short plays by local playwrights exploring the theme of “Myths & Legends,” ranging from ancient prophecies to UFO sightings to monsters that lurk in the dark. Information is here.

Goblin Hole Queer Event at 8 p.m. Crystal Ballroom, 55 Davis Square, Somerville. $20 to $30, 21-plus. Bear witness to bizarre and fantastical drag acts at this queer art party while meeting old friends, bumping into new ones and dancing a little. Costumes and looks are highly encouraged! Information is here.