Seattle Festivals 2026 & 2027
Seattle has 1 festival with confirmed dates on the 2026-2027 calendar below, each linked to its official source. Pick the ones that fit your window, then build the rest of the trip around them.
The Seattle festival calendar leads with these:
- Boo! Seattle 2026Oct 30 - Oct 31music festival
By TripSapien · Updated October 14, 2026
Festival calendar
October 2026
- Oct 30 - Oct 31
music festival. A zany cast of spooky characters, heart pumping music, indoor rides, and more await you at Boo Seattle.
Going to Seattle for a festival?
Pick your dates and we'll build the rest of your trip around it — every place checked for closures and booking needs.
Planning leads
Early leads on festivals still lining up. Exact dates and details firm up closer to your trip.
Seattle St. Patrick's Day Parade
Mar 17 - Mar 20 · Planning lead · projected date
May 28 - May 31 · Planning lead · dates set closer in
Jun 27 · Planning lead · dates set closer in
Ready to plan Seattle?
Turn these festivals into a full Seattle plan, every place checked for closures, limited hours, and booking needs on your dates.