Warrenton Festival 2025. The astoria warrenton crab, seafood and wine festival is held annually on the last weekend of april, at the clatsop county fair & expo center. Historic old town warrenton will soon transform into a bustling market filled with artisans, local businesses, farmers, nonprofit organizations, youth groups and more for its annual fall.

Historic old town warrenton will soon transform into a bustling market filled with artisans, local businesses, farmers, nonprofit organizations, youth groups and more for its annual fall. The astoria warrenton crab, seafood and wine festival is held annually on the last weekend of april, at the clatsop county fair & expo center.