Whats the weather like right now at JFK or Irkutsk airport? Simply enter the ICAO (International Civil Aviation Organization) code, or navigate there on the map, and you get the latest METAR data (Meteorological Airport Report).
On the Map view, you can see the METAR reports from airports near your current location, or wherever you decide to look on the planet! Save stations in the Favorites list, and you can see with 1 tap what the latest METAR report says.
METAR data: GeoNames.org (http://www.geonames.org)
Cloud Photos: Bernhard Mühr (http://www.wolkenatlas.de)