What is the temperature in the weather forecast based on?

The temperature mentioned in the weather forecast refers to the air temperature measured in the open air without direct sunlight (usually measured by blinds). The highest temperature is the highest temperature in a day, which generally appears at 14- 15, and the lowest temperature generally appears at 5-6 am. China uses centigrade scale, which is expressed in degrees Celsius. Near-ground temperature refers to the temperature in the louver at about 1.5m above the ground.