Montreal’s travelling bike repair shop Randonneur Mobile Mechanics is hosting a tune-up day at Chez Boris, where the price of a mini- or standard tune-up includes donuts and coffee while you wait. 5151 Parc, 10 a.m.–4 p.m., $25–$35
St-Helen’s Island is popping this weekend, with Piknic Électronik plus the bonus final day of les Weekends du Monde. Today’s festival features celebrations of culture and food from Colombia, Cuba, El Salvador and Brazil, who will stage a carnavale-esque parade at 6 p.m. St-Helen’s Island/Parc Jean-Drapeau, 2–11 p.m., free for Weekends du Monde, $15/$13.50 in advance/$10 before 3 p.m. for Piknic Électronik.
Check out a walking tour of Plateau graffiti and street art, showing you more than just the murals you see every day from the sidewalk. Host @NickieMTL from If Walls Could Talk will take you to the hidden gems off the beaten path. Meet in the parking lot at the corner of Mont-Royal & de Bullion, 3 p.m., PWYC
NVA, the music division of Never Apart, presents the first installment of their summer monthly live music series Day Play, featuring L.A.’s Palbomen II, Country, the Beat Escape and guest DJs, with food on-site by Chak Wow. 7049 St-Urbain, 3–9 p.m., $10
Film Noir au Canal is a new screening series presenting classic film noir on the banks of the Lachine Canal. Kicking off the summer’s programming is John Huston’s essential The Asphalt Jungle, presented in English with French subtitles. Corner Richmond/Basin (Lucien L’Allier metro), 9 p.m., free
Cinemania’s summer program of outdoor screenings kicks off with Jeanne Henry’s Elle l’adore, starring Sandrine Kiberlain. See the trailer here. NDG Park (Girouard / Sherbrooke), 9 p.m., free
Check out our complete listings for more concert, nightclub, theatre, comedy and art events.