Live raw METAR (current observation) and TAF (terminal forecast) for Castle (Merced), ICAO KMER, IATA MER, at 37.38, -120.57. Data comes straight from NOAA's Aviation Weather Center and is cached for a couple of minutes; the page refreshes itself every few minutes while open. Add it to your home screen for one-tap access, or compare airports: https://rawmetar.com/KMER,KMCE.