How Long Can Cut watermelon Sit Out?

Cut watermelon can sit out 2 hours at room temperature, but only 1 hour when it is 90°F or hotter. On ice that is still frozen, the clock stops.

Cut watermelon at room temperature
2 hours
1 hour above 90°F · then refrigerate within that time or throw it away

Time limit by temperature

Outdoor temperatureSafe time out
60°F2 h
70°F2 h
80°F2 h
85°F2 h
90°F1 h
95°F1 h
100°F1 h

Cut melon counts as perishable (FDA); whole melons are fine at room temperature. Serve slices from a bowl on ice.

After the party

Refrigerated within the limit, cut watermelon keeps 2–4 days in the fridge and 1–1 months in the freezer. How long cut watermelon lasts.

Run a timer for every dish →

Rules: USDA FSIS, 2 hours out or 1 hour at 90°F+; fridge and freezer times from the FoodSafety.gov chart. All rules and sources.

FAQ

How long can cut watermelon sit out?

Cut watermelon can sit out 2 hours at room temperature, but only 1 hour when it is 90°F or hotter. On ice that is still frozen, the clock stops.

How long can cut watermelon sit out in hot weather?

1 hour when it is 90°F or hotter outside.

Can I eat cut watermelon left out overnight?

No. Throw it away: it has been in the danger zone far longer than 2 hours, and reheating does not remove every toxin.

How long does cut watermelon last in the fridge?

2–4 days if it went in within the time limit.