The latest hourly weather in Guangzhou, Public Meteorological Service Center of Meteorological Bur: was 21~23℃ yesterday and 00: 11℃ today; 1: 11℃; 2: 12℃. Guangzhou Huadu Hourly Weather Reality: 2: 12℃ Baiyun District should be close to both, and the water temperature depends on the environmental temperature changes of water sources and water supply pipes. For example, in the cooling process, the indoor tap water is cooled at first and then warmed up, which is the reason why the buried ground temperature is still high. Another reason is that the hand skin radiates quickly in water than the air feels cold.