{"schemaVersion":"WP-AIRPORT-WEATHER-1.0","airport":{"requestedCode":"SFO","iata":"SFO","icao":"KSFO","name":"San Francisco Intl, CA, US","latitude":37.6196,"longitude":-122.3656,"elevationMeters":2},"freshness":"near-real-time","observedAt":"2026-09-17T09:00:00.000Z","retrievedAt":"2026-09-17T09:48:47.825Z","observationAgeMinutes":49,"current":{"flightCategory":"VFR","temperatureC":17.2,"dewpointC":13.9,"windDirectionDegrees":250,"windSpeedKnots":6,"windGustKnots":null,"visibilityStatuteMiles":"10+","altimeterHpa":1016.3,"weatherCode":null,"precipitationInches":null,"cloudCover":"BKN","clouds":[{"cover":"FEW","baseFeet":2200},{"cover":"SCT","baseFeet":2900},{"cover":"BKN","baseFeet":3600}],"rawMetar":"METAR KSFO 170856Z 25006KT 10SM FEW022 SCT029 BKN036 17/14 A3001 RMK AO2 SLP162 T01720139 53005"},"forecast":{"issuedAt":"2026-09-17T08:59:00.000Z","validFrom":"2026-09-17T09:00:00.000Z","validTo":"2026-09-18T12:00:00.000Z","currentPeriod":{"from":"2026-09-17T09:00:00.000Z","to":"2026-09-17T18:00:00.000Z","change":null,"probabilityPercent":null,"windDirectionDegrees":240,"windSpeedKnots":6,"windGustKnots":null,"visibilityStatuteMiles":"6+","weatherCode":null,"clouds":[{"cover":"OVC","baseFeet":3000,"type":null}]},"rawTaf":"TAF KSFO 170859Z 1709/1812 24006KT P6SM OVC030 FM171800 27010KT P6SM FEW050 FM180600 27004KT P6SM SCT015"},"availability":{"observation":{"status":"available","meaning":"A METAR observation receipt is available."},"forecast":{"status":"available","meaning":"A TAF forecast receipt is available."}},"receipts":{"observation":{"station":"KSFO","observedAt":"2026-09-17T09:00:00.000Z","receivedAt":"2026-09-17T09:00:10.003Z","retrievedAt":"2026-09-17T09:48:47.825Z","rawReportAvailable":true},"forecast":{"station":"KSFO","issuedAt":"2026-09-17T08:59:00.000Z","validFrom":"2026-09-17T09:00:00.000Z","validTo":"2026-09-18T12:00:00.000Z","retrievedAt":"2026-09-17T09:48:47.825Z","rawReportAvailable":true}},"interpretation":{"observed":["The current terminal weather observation comes directly from the Aviation Weather Center METAR feed."],"inferred":[],"unknown":["Weather conditions do not by themselves prove why a particular flight is delayed.","Airline operations, crew, maintenance, gate and aircraft-rotation data are not included in this weather feed."]},"source":{"name":"NOAA/NWS Aviation Weather Center","observationUrl":"https://aviationweather.gov/api/data/metar?ids=KSFO&format=json","forecastUrl":"https://aviationweather.gov/api/data/taf?ids=KSFO&format=json","documentationUrl":"https://aviationweather.gov/data/api/","cadence":"METAR observations commonly update hourly or when conditions change; TAF cadence varies by station."}}