Saturday — Sunday
Harry Potter Midnight Release Block Party with Diagon Alley wares and activities, Wizard photos and costume contest, 7 p.m.-12:15 a.m. Saturday-Sunday. King’s Books, 218 St. Helens Ave., Tacoma. 253-272-8801
Pacific Northwest Mushroom Festival 10 a.m.-6 p.m. Saturday and Sunday. Learn about mushroom culinary uses during a cooking demonstrations and discover what it takes to grow them at home. Lacey-Thurston County Regional Athletic Complex, 8345 Steilacoom Road SE, Olympia. Admission is $5, parking is free. pnwmushroomfest.org
Ruston Family Fair Saturday. There will be games for children, pony and wagon rides, fire department demonstrations, cupcake walk, youth music contest, baking contest, pancake breakfast and vendor booths. The free event will be held at Point Ruston, 5005 Ruston Way.