Today
Finn O’Sullivan concert: 7 p.m., Jamestown Mercantile, 108 Main St., Jamestown. Local indie artist Finn O’Sullivan will be taking the stage with her full band. The indie folk-pop singer-songwriter spent most of the summer writing and producing new music, so expect to hear plenty of new tunes, as well as some old favorites, lots of originals and some covers thrown in, as well. jamestownmercantile.com.
Kids costume swap: 4 p.m., Boulder Public Library, 1001 Arapahoe Ave., Boulder. Halloween is almost here. Whether you have outgrown costumes from previous years or are looking for something new, this is the perfect opportunity to swap and save. Stop by anytime to find the perfect costume. Make Halloween more sustainable, plus meet and support fellow community members. calendar.boulderlibrary.org.
Manhattan Short Film Festival: 4 p.m., Dairy Arts Center, 2590 Walnut St., Boulder. This one-of-a-kind, worldwide festival boasts a lineup of 10 short films that explore a wide range of topics. Have a look at both dramatic and comical takes on migration, reconciliation, housing prices, parenthood and the price of silence, not to mention the trials and tribulations of growing into adulthood. $7-$14, thedairy.org.
Composting 101 class: 5:30 p.m., George Reynolds Branch, 3595 Table Mesa Drive, Boulder. Reduce waste by turning food scraps and organic materials into nutrient-rich soil. Participants learn resourceful ways to compost outdoors and at least two or three indoor composting methods to consider while contributing to a healthier environment and more sustainable future. calendar.boulderlibrary.org.
Upcoming
Firefly Handmade at the Downtown Boulder Fall Fest: 5 p.m. Friday, Pearl Street Mall, 1325 Pearl St., Boulder. This three-day autumn festival features local food, a large beer/wine/cocktail garden, live music, family entertainment and activities and features over 100 Firefly Handmade artists, makers and designers. Free, facebook.com.
NoBo First Fridays: 6 p.m. Friday, NoBo Bus Stop Gallery, 4895 Broadway St., Boulder. First Friday happens every month of the year except January. NoBo First Friday features rotating monthly exhibitions at the NoBo Bus Stop Gallery and the NoBo Art Center, Crowd Collective, East Window Gallery, Rabid Rabbits and many more artist studios, live music, artist demos and special activations in many locations. Steve Glotzer will be performing live from 5-8 p.m. at Kin Studio and Gallery, 4725 16th St., #104, Boulder. Free, 919-522-1981, noboartdistrict.org.
“Pride and Prejudice” performance: 7:30 p.m. Friday, Roe Green Theatre, University Theatre Building, 1515 Central Campus Mall, Boulder. Bold, surprising, boisterous and timely, this “Pride and Prejudice” for a new era explores the absurdities and thrills of finding your perfect (or imperfect) match in life. Outspoken Lizzy Bennet is determined to never marry despite mounting pressure from society. But can she resist love, especially when that vaguely handsome, mildly amusing and impossibly aggravating Mr. Darcy keeps popping up at every turn? $31, 303-492-8008, eventvesta.com.
Walk to End Alzheimer’s: 10 a.m. Saturday, Farrand Field, Wardenburg Drive and Baker Drive, Boulder. One of 13 Alzheimer’s Association of Colorado Walks to End Alzheimer’s in 2025, the Walk in Boulder will raise funds to provide essential services to families and support research to find a cure. The Walk has a fundraising goal of $238,000. Collectively, the 13 Colorado Walks have a target of more than $2.6 million. act.alz.org.
“Sessa Takuma” exhibit opening: 10 a.m. Saturday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. See over 50 beautiful Japanese Ikebana creations that highlight the season and inspire. Free, 303-264-4287, ikebanaikenobokado.com.
“My Friend Tara” book signing: 11 a.m. Saturday, Boulder Book Store, 1107 Pearl St., Boulder. Ivan Bercholz will speak about and sign his new book “My Friend Tara: And Her Rainbow of Compassion”. Free, boulderbookstore.net.
AppleFest: 2 p.m. Saturday, Benevolence Orchard & Gardens, 6712 Jay Road, Boulder. Celebrate Boulder’s apple abundance. This gathering celebrates the hands and hearts behind Boulder’s fruit — from orchard caretakers and tree stewards to community harvesters.​ Enjoy an apple-themed potluck, cider pressing, live music, yard games, hard cider samples and more. Free, fruitrescue.org.
Editor’s note: Availability and scheduling of events may be subject to change.