{"icao":"KHPN","name":"Westchester County Airport","lat":41.067,"lon":-73.7076,"country":"US","tz":"America/New_York","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":153,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["May","March"],"monthlyHours":[18,16,20,14,23,14,4,3,4,12,3,20],"medianEventHours":2,"season":{"summary":"Fog season is January, February, March, April, May, June, October, December, peaking in May; fog is mostly a 1 AM\u20139 AM phenomenon; typically thinning out by 1 PM; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","March","April","May","June","October","December"],"timeOfDay":"1 AM\u20139 AM","typicallyClearsBy":"1 PM"}},"forecast":{"covered":true,"public":false,"cycle":"2026-09-04T13:00:00Z","guidanceSignal":false,"wording":"No fog signal in NWS guidance for the next 48 hours. September typically brings about 4 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/khpn/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KHPN","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KHPN.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}