Costco – Memorial Day 2022 by Rhonda May 27, 2022 443 5/27/22. Costco will be closed on Monday, May 30, 2022, in observance of Memorial Day. We are extremely grateful for our brave military who have sacrificed their lives in service of our country. 0 FacebookTwitterPinterestEmail previous post Coolers at Costco! (Summer 2022) next post Core 10-Person Lighted Cabin Tent – Costco Sale! You may also like NEW Orange Dreamsicle Cheesecake at Costco!! Hershey’s Kisses Patriotic Foils Milk Chocolates – Costco... Authentic Asia Shrimp Wonton Ramen at Costco! Costco – Memorial Day 2024 Strawberries and Cream Bar Cake at Costco! Kirkland Signature Chocolate Dipped Granola Bars at Costco!