{"icao":"OPIS","name":"Islamabad International Airport","lat":33.549,"lon":72.8257,"country":"PK","tz":"Asia/Karachi","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":62,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["January","July"],"monthlyHours":[46,3,1,0,0,1,3,2,0,0,1,2],"medianEventHours":1,"season":{"summary":"Fog season is January, peaking in January; fog is mostly a 2 AM\u20139 AM phenomenon; typically thinning out by noon; a typical event lasts about 1 hour (local time, 10-year average).","months":["January"],"timeOfDay":"2 AM\u20139 AM","typicallyClearsBy":"noon"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. dense fog (visibility under a mile) is rare here in September (10-year average)."},"links":{"page":"https://fogatlas.org/fog/opis/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=OPIS","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/OPIS.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}