You can get limited data from NOAA (METAR) through ADDS: https://aviationweather.gov/adds/dataserver https://aviationweather.gov/adds/dataserver Here's an exam

You can get limited data from NOAA (METAR) through ADDS: https://aviationweather.gov/adds/dataserver https://aviationweather.gov/adds/dataserver Here's an example for Moscow: https://aviationweather.gov/adds/dataserver_current/httpparam?dataSource=metars&requestType=retrieve&format=xml&stationString=UUEE&hoursBeforeNow=2 https://aviationweather.gov/adds/dataserver_current/httppara... If you need forecasts, NDFD appears to have both SOAP and REST services that are updated hourly: http://graphical.weather.gov/xml/rest.php http://graphical.weather.gov/xml/rest.php