weather

weather is the ever-changing condition of the Earth's atmosphere at a specific time and place.

weather encompasses short-term variables such as temperature, humidity, cloud cover, wind speed, wind direction, atmospheric pressure, and precipitation.

weather Key Aspects

• weather changes rapidly on a day-to-day or even hour-to-hour basis
• weather differs from climate, which measures average atmosphere conditions over a long period, typically 30 years.
• weather is generally understood as a phenomenon of Earth's lowest atmosphere layer, the troposphere, and directly influences our daily clothing, activity plans, transportation, and agriculture.

For a closer look at weather data, explore the National Weather Service or the National Centers for Atmospheric Science for educational resources.