{"icao":"KILM","name":"Wilmington International Airport","lat":34.2723,"lon":-77.9051,"country":"US","tz":"America/New_York","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":34,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["February","December"],"monthlyHours":[5,5,2,1,3,1,0,1,3,3,4,6],"medianEventHours":1,"season":{"summary":"Fog season is January, February, March, May, September, October, November, December, peaking in December; fog is mostly a 2 AM\u20137 AM phenomenon; typically thinning out by 9 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","May","September","October","November","December"],"timeOfDay":"2 AM\u20137 AM","typicallyClearsBy":"9 AM"}},"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 3 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/kilm/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KILM","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KILM.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}