METAR (METeorological Aerodrome Report) — aeronautical meteorological code for the transmission of actual weather reports and forecasts at aerodromes. It is also a codename for a regular report made in the code with the same name.
Reports in the METAR code contain wind speed and direction data, visibility, visibility range on runways, atmospheric phenomena, cloudiness, air temperature, dew point temperature, atmospheric pressure, forecast of the «Trend» type (for the next 2 hours). Additional information may also be included in the report (phenomena of previous weather conditions, wind shear, runway conditions, etc.).