Short answer: usually not without some prep—and sometimes not at all. If you have urban outdoor furniture on a balcony, patio, rooftop, or shared terrace, a storm can put it through much more than rain. High wind, flying debris, and sudden water pooling are the real risks, especially in cities where buildings can funnel gusts between structures.
For lightweight pieces—stackable chairs, small side tables, folding chairs, and anything with fabric cushions—I’d bring them inside if you can. Cushions should always come in, because even “water-resistant” fabric can hold moisture, grow mildew, and lose its shape. If you have nowhere to store the furniture, move it close to a wall, lock the casters, stack chairs securely, and lower umbrellas or take them down completely. Never leave an open patio umbrella up in a storm; that’s basically a sail.
Heavy pieces such as metal or concrete tables can sometimes stay out if they’re sturdy and well anchored, but check the manufacturer’s guidance first. Make sure water can drain and won’t pool around legs or bases. Avoid tying furniture to fragile railings or glass barriers. If a severe storm is forecast, even heavy furniture can become risky, so use your judgment and follow building rules if you live in an apartment or rental.
A cover can help with dirt and light rain, but in high wind it may flap, trap moisture, or act like a parachute. Use a breathable, fitted cover only if it’s designed for storm conditions—or skip the cover and secure the furniture instead.
After the storm, inspect for loose joints, rust spots, cracks, and water damage before using anything. So, can you leave urban outdoor furniture outside during a storm? Sometimes, with the right precautions—but if the forecast looks rough, bringing it in or securing it properly is the safer move.