Is Costco Open On Memorial Day 2025. To 8:30 p.m., saturday, 9:30 a.m. The good news is that costco has not announced any changes to their opening hours in the days leading up to memorial day, so there will be plenty of time to.
From target to starbucks, here’s what’s closed and open on memorial day 2023: According to costco’s websi te, the whole store observes the following holidays: