Arlington Street Fair: Events 10 a.m. to 6 p.m. daily, live entertainment until 8 p.m. July 10 through 12, N. Olympic Avenue; arts and crafts; www.ci.arlington.wa.us.
Sultan Summer Shindig: 3 to 10 p.m. Friday, 10 a.m. to 11 p.m. Saturday, 10 a.m. to 4 p.m. Sunday, July 10 through 12, Main Street and River Park, Sultan; car, logger and motorcycle shows, parade, carnival and street fair, live entertainment; free; 360-793-0983.
Seafair milk carton derby: 10 a.m. July 11, southwest corner of Green Lake, Seattle; free; 206-728-0123; www.seafair.com.
Poochapalooza: 10 a.m. to 3 p.m. July 11, Asbery Field, 1605 Seventh St., Marysville; contests, flying disc championship, agility course, pet vendor booths, demonstrations; free parking and admission, but donations welcome; 360-651-0633; www.poochapalooza.org.
Lavender Hills Farm festival: 10 a.m. to 5 p.m. July 11, 7508 108th St. NE, Marysville; live music, arts and crafts; admission $1 per carload of guests; 360-651-2086; www.lavenderhillsfarm.com.
Choochokam Arts Festival: 10 a.m. to 9:30 p.m. Saturday, 10 a.m. to 5 p.m. Sunday, July 11 and 12, First Street and Anthes Avenue, downtown Langley; artwork of all mediums; live music; Saturday street dance; hands-on projects for kids; free; boaters’ reservations required for marina space at 360-221-1120.
Kla Ha Ya Days: 2 to 8:30 p.m. Thursday, 11 a.m. to 10 p.m. Friday, 8:30 a.m. to 8 p.m. Saturday, 10 a.m. to 8 p.m. Sunday, July 16 through 19, downtown Snohomish; kids’ activities, parades, car show, carnival; 425-493-7824; www.klahayadays.com.