The invention relates to an adaptive highly weather-resisting glass fiber reinforced plastic water tank, which comprises a bearing base, storage batteries, photovoltaic panels, a thermoelectric power generation device, a semiconductor refrigerating device, a circulating water pump, stream guidance pipes and a water storage box body, wherein the bearing base comprises bearing beams and connecting ribbed plates; the photovoltaic panels are embedded in the outer surface of the water storage box body; the circulating water pump is located within the water storage box body; one end of the circulating water pump communicates with the water storage box body and the other end communicates with the tail end of one of the stream guidance pipes; the stream guidance pipes are embedded in box walls of the water storage box body and the front ends of the stream guidance pipes communicate with the water storage box body; and the box walls of the water storage box body comprise glass fiber reinforced plastic liners, heat-insulating cotton layers, glass fiber reinforced plastic protective surface layers, elastic protective layers and aluminum-laminated film layers. According to the adaptive highly weather-resisting glass fiber reinforced plastic water tank provided by the invention, on one hand, a water body storage environment at constant temperature can be offered so as to effectively avoid phenomenons that water, which becomes too hot due to high temperature or exposure to the sun and the like, gets deteriorated and the water, at high temperature, becomes evaporated by a large amount, and on the other hand, the capacity of water storage equipment to resist high temperature and exposure environments is effectively improved.