The humidity is the amount of water vapor in the air. It is measure g/m3. On a day with high humidity your hand might feel sticky. The temperature is hot or cold it is it is usually measure in Fahrenheit but clouds can change the temperature because it blocks sunlight reaching land. Barometric pressure is /the atmospheric pressure given by a barometer. Knowing the weather with weather factors is very useful it can help you plan events. Wind speed is the velocity of wind and other gases and is determined by the Beaufort scale.