At Universal Orlando and Universal Studios Hollywood in 2026, outdoor attractions generally begin to shut down when the ambient air temperature drops to 4°C (40°F) or below. This is primarily a safety and mechanical requirement; the lubricants and technical components of high-speed coasters like Jurassic World VelociCoaster or Hagrid’s Magical Creatures Motorbike Adventure are designed to operate within specific thermal ranges. If the steel tracks or wheels become too cold, the ride may not complete its circuit at the correct speed, triggering an automatic safety "ebrake." Additionally, water-based rides like Jurassic Park River Adventure or Popeye & Bluto's Bilge-Rat Barges often close earlier or remain closed for the day if temperatures are expected to stay below 10°C (50°F) for the comfort and safety of guests. Conversely, in extreme heat, rides rarely shut down due to temperature alone, but they are frequently paused for lightning or severe weather if a strike is detected within a 10-mile radius—a much more common occurrence in the Florida summer than cold-weather closures.