METAR, TAF and station info for any airport, from the NOAA Aviation Weather Center.
Type an ICAO code. You get the METAR decoded, the TAF, flight category, AIRMETs and SIGMETs nearby, radar and winds aloft.
KJFK
New York
Data courtesy of the NOAA Aviation Weather Center (aviationweather.gov), refreshed every few minutes. A training aid, not an official weather briefing.