Today
Mapleton Hill PorchFest: noon, Mapleton Hill Historic District, 745 Mapleton Ave., Boulder. Mapleton Hill PorchFest is an annual free music festival where talented local musicians play in diverse musical styles on the beautiful porches of the Mapleton Hill historic district. Free, 847-727-4680, www.mapletonhillporchfest.com.
“World of Abstract” art exhibit: noon, Ana’s Art Gallery, 1101 Spruce St., Suite 101, Boulder. “Margo Berkowitz — World of Abstract” explores abstract expression through the works of Pittsburgh native and Louisville artist Margo Berkowitz, who brings together bright colors juxtaposed with more muted tones to give a sense of movement and fluidity. The results are oil paintings shimmering with an almost mystical quality. Free, 303-997-5346, anasartgallery.com.
Festival Del Sol: noon, Chautauqua Auditorium, 198 Morning Glory Drive, Boulder. Colorado Chautauqua is proud to present the fifth annual bilingual Festival Del Sol. Enjoy live music, food and beverages, guided hikes, Latin dance lessons, family activities and games. Kick off National Hispanic Heritage Month by celebrating the vibrancy of Latino culture in the stunning surroundings of Chautauqua. Free, chautauqua.com.
Upcoming
Astronomy on Tap: 6 p.m. Monday, Rayback Collective, 2775 Valmont Road, Boulder. Astronomy on Tap is an all-ages event where science meets community and fun. Come hang out with real astronomers, ask big questions about the universe, play space-themed games, win out-of-this-world prizes, enjoy great food and sip on stellar drinks. Free, astronomyontap.org/locations/colorado.
“The Heartbreak Hotel” book signing: 6:30 p.m. Monday, Boulder Book Store, 1107 Pearl St., Boulder. Ellen O’Clover will speak about and sign her new book “The Heartbreak Hotel.” $5, boulderbookstore.net.
“I Know Where I’m Going” film screening: 7 p.m. Monday, Dairy Arts Center, 2590 Walnut St., Boulder. From the prestigious Powell and Pressburger team comes a story of learning the difference between money and happiness. Joan Webster leaves her hometown to marry a wealthy tenant of a tiny Hebridean island. When there is a storm, however, she is washed toward the Island of Mull. There she meets a new world of people, where there is much happiness but little money. She encounters Torquil, a landowner. The two fall in love, and Joan has to decide for herself where and how her life will be lived. $11-$14, thedairy.org.
CU Boulder Philharmonia Orchestra performance: 7:30 p.m. Monday, Grusin Music Hall (C112), Imig Music Building, 1020 18th St., Boulder. The CU Boulder Philharmonia Orchestra’s opening concert features Emilie Mayer’s dramatic Overture in D minor, Jessie Montgomery’s gripping and mesmerizing orchestral piece “Shift, Change, Turn” and concludes with Franz Schubert’s masterpiece, his Symphony No. 8 (“Unfinished”). Free, 303-492-8008, cupresents.org.
NCAR Ramble Trail Hike: 8 a.m. Tuesday, National Center for Atmospheric Research, 1850 Table Mesa Drive, Boulder. Join for a compassionate group hike. It’s a moderately challenging route, so bring plenty of water and good hiking boots. meetup.com.
Shofar in the Park: 6 p.m. Tuesday, Elk Park, 2810 Jay Road, Boulder. Head to the pavilion to enjoy holiday-themed snacks, children’s activities, spirited singing and the energizing and activating sounds of the Shofar. Free, 720-422-6776, boulderjudaism.com.
Dangerously Well Read Book Club meeting: 6 p.m. Tuesday, Trident Booksellers & Café, 940 Pearl St., Boulder. This new book club is for women ages 25-45 who can’t resist a smart, twisty thriller. For the group’s first pick, it will be reading “A Killer Getaway,” by Sienna Sharpe. Nothing says vacation quite like a female serial killer and a cat-and-mouse game that will keep readers guessing until the very end. tridentcafe.com.
“Here Comes the Sun” book signing: 6:30 p.m. Tuesday, Unity of Boulder Church , 2855 Folsom St. Boulder, Boulder. Bill McKibben will speak about and sign his new book “Here Comes the Sun: A Last Chance for the Climate and a Fresh Chance for Civilization.” $35, boulderbookstore.net.
CU Boulder Faculty Tuesdays: 7:30 p.m. Tuesday, Grusin Music Hall (C112), Imig Music Building, 1020 18th St., Boulder. Join Professor of Flute Christina Jennings for “Threads of Silver, Ties of Gold,” an evening that celebrates the flute through community. In an intriguing program that showcases the flute in solo, duo, quartet and a 50-member flute orchestra, Jennings reunites with CU Boulder flute studio alumni from her 20 years on the College of Music faculty. Free, 303-492-8008, cupresents.org.
Editor’s note: Availability and scheduling of events may be subject to change.