After a cookout, leftover grilled food needs to be chilled, stored, and reheated on a set schedule. This guide covers the two-hour cooling window and its hot-weather limit, how long refrigerated leftovers keep, and how to reheat them to 165°F.
Refrigerate within two hours, or one hour in hot weather
Rutgers Cooperative Extension puts the rule this way: “Cook foods properly, and then refrigerate or freeze within two hours after cooking.” The clock starts when cooking ends, not when the food reaches the table. Time spent sitting before it is served counts, as does the time it sits on the table during the meal, and the period lasts until the food is in the refrigerator or freezer.
Hot weather shortens the window. The same fact sheet says, “In hot weather, that time limit is only one hour.” Practical advice: plan around the one-hour limit on hot days, and divide a large batch into shallow containers so the center cools faster.
How long refrigerated leftovers keep
Illinois Extension gives a storage window of three to four days in the refrigerator: “Use refrigerated leftover food within 3-4 days, or within 3 to 4 months if they were frozen.” Rutgers says, “As a general rule, never keep leftovers for more than four days.”
Freezing extends storage, but it does not replace the cooling window. Rutgers gives the same two-hour rule for “refrigerate or freeze,” so food headed for the freezer needs to be chilled or frozen on the same schedule. Rutgers also notes: “A good way to ensure leftovers don’t remain in your refrigerator too long, is by labeling leftovers with the date cooked before refrigerating them.”
Reheat to 165°F throughout
The Virginia Department of Health’s safe minimum internal temperature chart lists 165°F for leftovers of any type. Illinois Extension gives the same minimum: “reheat to a minimum of 165 F, the safe temperature needed to kill harmful bacteria that may be present.”
Rutgers adds a point about wet leftovers: they can be brought to a boil before serving, as the Rutgers guide says.
Practical advice: check the thickest part of the food with a food thermometer rather than judging by steam or color. For probe placement on grilled meat, see the guide to grilling with a meat thermometer. Cooking targets for specific cuts are covered in the chicken grilling temperature guide, the steak grilling guide, and the burger grilling guide.
Common mistakes
- Leaving food on the table during the meal. Rutgers counts that time toward the two-hour limit.
- Waiting until cleanup is finished before refrigerating. Practical advice: refrigerate first, then clean up.
- Reheating only the surface of a thick piece. Practical advice: check the center of the thickest piece.
- Judging safety by smell or appearance. Practical advice: when in doubt, discard the food.
Sources
- USDA Food Safety and Inspection Service, “Safe Temperature Chart” (original source; the page returned 403 when checked 2026-10-08): https://www.fsis.usda.gov/food-safety/safe-food-handling-and-preparation/food-safety-basics/safe-temperature-chart
- Virginia Department of Health, “Safe Minimum Internal Temperature Chart for Cooking” (reproduction of the FSIS chart; checked 2026-10-08): https://www.vdh.virginia.gov/content/uploads/sites/6/2023/07/Cook_to_a_Safe_Minimum_Internal_Temperature.pdf
- Rutgers Cooperative Extension, “Handling Leftovers Safely (Fact Sheet FS588)”: https://njaes.rutgers.edu/fs588/ (checked 2026-10-08)
- Illinois Extension, “Leftovers | Food Safety”: https://extension.illinois.edu/food-safety/leftovers (checked 2026-10-08)