Okay, let’s cut straight to it. I would only recommend outdoor benches on a rooftop terrace with heavy wind if they are heavy, low-profile, and either naturally wind-resistant or properly anchored. If they are lightweight wooden, thin aluminum, or hollow plastic benches, I would say no. In strong gusts, those can slide, tip over, or even become dangerous projectiles.
I have seen too many rooftop setups look great on a calm day and turn messy when the wind picks up. The best outdoor benches for a windy rooftop terrace are made from dense materials like teak, powder-coated steel, reinforced concrete, or thick-gauge aluminum with a low, sturdy base. These have enough weight to stay put in normal gusts. For anything lighter than roughly 40 to 60 pounds, I would add furniture anchors, wall straps, or heavy-duty brackets, especially if your terrace has open sightlines and no parapet or glass screen to break the wind.
Placement matters just as much as the bench itself. Tuck benches against a solid wall, corner, or fixed planter, and avoid placing them near the edge where wind can bounce over the roofline. Use non-slip rubber pads under the legs to reduce movement and protect your decking. If you live in an area with storm-force winds, I would also recommend folding, stacking, or storing lighter benches before bad weather hits.
So my honest recommendation is yes, outdoor benches can work on a rooftop terrace with heavy wind, but only if you choose a heavy-duty, wind-resistant design and commit to anchoring it. If the bench you are considering is lightweight and cannot be secured, skip it or keep it for a sheltered balcony instead.