Costco – Memorial Day 2024 by Rhonda May 27, 2024 456 5/27/24. Costco will be closed on Monday, May 27, 2024, in observance of Memorial Day. We at Frugal Hotspot are extremely grateful for our brave military who have sacrificed their lives in service of our country. 0 FacebookTwitterPinterestEmail previous post KS Mixed Berry Cheesecake at Costco! next post Solar Escape Bucket Hat – Costco Sale! You may also like Costco Weekend Update: April 25-27, 2025 Costco Weekend Update: April 18-20, 2025 Kirkland Signature Baby Wipes – Costco Sale! Strawberry Streusel Cheesecake at Costco! Yankee Candle Car Jar Ultimate Air Fresheners –... Costco Coupon Book APRIL 2025