Once your tomatoes are ripe, the fridge is usually your best bet. ... If you buy underripe tomatoes, leave them out at room temperature until they're fully ripened, then move them to a cooler spot for longer storage.
What is the best way to store fresh tomatoes?
Levy recommends storing ripe tomatoes upside down (stem-side down) on paper towels in an open container such as Tupperware, a shoe box, or a cardboard flat. Ripe tomatoes should last for a few days, but we recommend eating them as soon as possible.
Is it better to store tomatoes in the fridge or at room temperature?
When it comes to proper tomato storage, conventional kitchen wisdom (and Alton Brown) state that tomatoes are best stored at room temperature—not in the refrigerator. Supposedly, refrigerated tomatoes develop a mealy texture and lose their flavor if they are exposed to cooler temperatures over time.