Halloween In Seattle 2025. Grab your costumes and get ready for some fun halloween activities. Ahead, the best parties, pumpkin carving contests, comedy shows, haunted houses, and cocktail.
Halloween | seattle aquarium | thursday, oct. It’s time for you to arise, seattle creeps and crawlies, and celebrate the most haunting day of the year (aside from the day when we get that first 4 p.m.