Yes, you can get a park bench with a fold-down seat for temporary events. I would split this into two common meanings: a bench that folds flat for storage and transport, and a bench with a seat panel that flips down from a wall or backrest. Both exist, and both are available for temporary use.
If you want a freestanding bench, look for a portable park bench or folding event bench. These usually have a metal frame and a seat or back that fold down flat, so they can be stacked or stored in a trailer. They are popular for farmers markets, food truck zones, outdoor ceremonies, and weekend festivals. Choose aluminum, galvanized steel, or powder-coated steel if the event is outdoors, and check that the slats are made from weather-resistant wood, recycled plastic, or coated metal. For temporary events on grass, wider feet or add-on ground anchors help prevent sinking and tipping.
If you have a wall, fence, pavilion post, or shipping container, a wall-mounted flip-up bench seat is a great space-saving option. The seat folds up against the mounting surface when not in use, which keeps walkways clear. For temporary installation, look for models with bolt-on brackets that can be removed cleanly. Make sure the wall or post can handle the load, and confirm the seat meets commercial weight ratings—usually 500 pounds or more for public use.
If the event is only for a weekend, a short season, or a one-time setup, renting is often cheaper and easier. Many event rental companies and park furniture suppliers offer folding park benches, flip-up bench seats, or modular outdoor event seating. Ask about delivery, setup, weather contingency, and whether they include anchors or anti-theft hardware.
A few things to check before you commit: seat depth and height for comfort, ADA clearance if it is a public event, local permit rules for temporary furniture in parks or public rights-of-way, and whether the bench can be locked or weighted if wind or theft is a concern.
So yes—there are real, practical options. I would start with a portable freestanding fold-down park bench if you need flexibility, or a wall-mounted flip-up bench seat if you have a structure and want to save space. For short-term needs, rent first.