When it comes to cushioned urban outdoor furniture—think plush sofas on a balcony or cushioned chairs on a patio—the short answer is: it’s best not to leave them outside all year round, especially during winter. While the frames (aluminum, teak, or synthetic wicker) may withstand cold and snow, the cushions are the weak link. Most outdoor cushions are made from foam wrapped in water-resistant or UV-resistant fabric, but they are rarely fully waterproof.
Winter brings moisture, freezing temperatures, and cycles of thawing that can penetrate cushion zippers and seams. Moisture trapped inside foam can lead to mold, mildew, and permanent damage. If you live in a region with heavy rain, snow, or sub-zero temps, bring cushions indoors during winter—or at least store them in a dry, ventilated shed or garage. For urban dwellers with limited space, consider investing in high-quality, breathable waterproof covers specifically designed for furniture with cushions.
However, if your furniture is labeled “all-weather” and the cushions are made from quick-dry foam with sealed seams (like those used in high-end marine or resort furniture), you might leave them out if you take extra precautions: elevate cushions to prevent water pooling, tilt cushions to allow drainage, and cover them with fully waterproof covers that are UV-stable. Even then, expect some wear and tear over multiple winters.
Pro tip: Check the manufacturer’s care tag. Many brands explicitly state “store indoors during winter.” For longevity, aim to clean and dry cushions before storage, and pack them loosely in a breathable storage bag. For urban outdoor furniture that sees limited winter use, the best practice is to bring cushions inside from November to March. Your patio set will last years longer.