A portable misting trailer system for preventing bodies from overheating and regulating body temperature, having a trailer frame with a first and second side bar secured to a portable trailer base, a plurality of arched tubes having a first and second end, the first end of each tube attaches to the first side bar, the second end of each tube attaches to the second side bar, a plurality of misting heads on the arched tubes fluidly connected thereto, a water system within the trailer frame having a storage tank fluidly connected to a water pump that is operatively connected to a power source which is operatively connected to an on-off switch, whereupon turning on the on-off switch activates the pump to pump water from the water tank into the plurality of the arched tubes, whereupon water would exit the arched tubes via the misting heads.