Across Olympia, Tumwater, Yelm, Rochester and Lacey, Thurston County Halloween events in 2026 give families many ways to collect candy and show off costumes. The calendar starts with LoveOly Downtown for Halloween, October 17-31, including a downtown scavenger hunt, family-friendly treating October 31 from 3 p.m. to 6 p.m., and a pet costume contest at 5th Avenue and Washington Street; maps and details are on the LoveOly website.
Other free family stops include Tumwater Trunk-or-Treat October 31 at Tumwater City Hall, the Yelm Eagles FOE Kids Costume Halloween Party October 23, Rochester Primary School F.A.S.T.’s Trunk or Treat and Fall Carnival October 24, Yelm Recreation’s Boo Bash October 24, and South Sound Dance’s Halloween Hoopla October 26.
On Halloween, Moore Designs and Yelm Cinemas list trunk-or-treating near Prairie Park Street from 3 p.m. to 6 p.m. with more than 90 decorated cars. First United Methodist Church of Olympia hosts 2 p.m. to 4 p.m. with games, treats, Saylor’s Dirty Sodas, Meggie’s Lumpia and Red from Red Robin. Woodlawn Funeral Home in Lacey hosts 4 p.m. to 7 p.m. with a themed maze and $3 cake pops supporting Family Education & Support Services.
