The state of the atmosphere in a particular place during a day or several days
The answer is: weather
The condition of the atmosphere at a particular place over a day or several days is known as weather. Weather can be described in terms of temperature, humidity, atmospheric pressure, wind speed and direction, and other meteorological variables. The weather can vary greatly from day to day, or even from hour to hour. The weather is often unpredictable, with sudden changes in conditions occurring without warning. Therefore, it's important to pay attention to local weather forecasts to ensure you stay safe and prepared for whatever Mother Nature throws your way.