- How long does potato salad last in the fridge? The precise answer to that question depends to a large extent on storage conditions - refrigerate potato salad within two hours of preparing or purchasing.
To maximize the shelf life of potato salad for safety and quality, refrigerate the potato salad in airtight containers.
Properly stored, potato salad will last for 3 to 5 days in the refrigerator.
How long can potato salad be left at room temperature? Bacteria grow rapidly at temperatures between 40 °F and 140 °F; potato salad should be discarded if left out for more than 2 hours at room temperature.
How to tell if potato salad is bad? If potato salad develops an off odor, flavor or appearance, or if mold appears, it should be discarded; do not taste first.
Sources: For details about data sources used for food storage information, please click here