{"city":"Smithfield","region":"US-NC","country":"US","slug":"smithfield-nc","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"KJNX","name":"Johnston Regional Airport","subCat1HoursPerYear":61,"forecast":"verifying"}],"primaryStation":"KJNX","forecast":{"covered":true,"public":false,"cycle":"2026-08-16T00:00:00Z","guidanceSignal":false,"wording":"No fog signal in NWS guidance for the next 48 hours. August typically brings about 4 hours of dense fog here."},"climatology":{"subCat1HoursPerYear":61,"fogSeasonPeakMonths":["October","January"],"medianEventHours":1,"season":{"summary":"Fog season runs June through March, peaking in October; fog is mostly a 4 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","June","July","August","September","October","November","December"],"timeOfDay":"4 AM\u20137 AM","typicallyClearsBy":"9 AM"}},"links":{"page":"https://fogatlas.org/fog/city/smithfield-nc/","stationPages":["https://fogatlas.org/fog/kjnx/"],"verification":"https://fogatlas.org/fog/scorecard/"}}