Off Leash Area Grand Opening and Seahawks Rally a fun celebration including pet vendors, hot dogs, raffle, children’s activities and more. noon-2 p.m. Saturday. Powderworks Park, 1775 Bob’s Hollow Lane, Dupont. Free. visitdupont.com, 253-964-8121
Summer Ender Fender Bender celebrating the best of the Northwest cars, specialty food trucks and live music. 3-6 p.m. Saturday. LeMay America’s Car Museum, 2702 E. D St., Tacoma. Free. 253-779-8490, americascarmuseum.org
Fifth Harmony 7 p.m. concert Saturday at the White River Amphitheatre, 40601 Auburn Enumclaw Road SE, Auburn. Tickets start at $47 and available through Ticketmaster
Tacoma Fall Wedding Expo at the Tacoma Dome. There will be hundreds of wedding gowns, wedding vendors and a fashion show throughout the day. Hours are 9:30 a.m.-4 p.m. Saturday and 10:30 a.m.-4 p.m. Sunday. Admission is $16. For information, see tinyurl.com/j6798xq.