{"city":"Nantucket","region":"US-MA","country":"US","slug":"nantucket-ma","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"KACK","name":"Nantucket Memorial Airport","subCat1HoursPerYear":248,"forecast":"live forecast"}],"primaryStation":"KACK","forecast":{"covered":true,"public":true,"cycle":"2026-08-16T00:00:00Z","peakPct":3,"peakAtLocal":"2026-08-16T02:00:00-04:00","wording":"No, fog is unlikely in the next 36 hours \u2014 the calibrated forecast peaks at just 3%. August typically brings about 26 hours of dense fog here."},"climatology":{"subCat1HoursPerYear":248,"fogSeasonPeakMonths":["July","June"],"medianEventHours":2,"season":{"summary":"Fog season runs February through September, peaking in July; fog is mostly a 10 PM\u20138 AM phenomenon; typically thinning out by 11 AM; a typical event lasts about 2 hours (local time, 10-year average).","months":["February","March","April","May","June","July","August","September"],"timeOfDay":"10 PM\u20138 AM","typicallyClearsBy":"11 AM"}},"links":{"page":"https://fogatlas.org/fog/city/nantucket-ma/","stationPages":["https://fogatlas.org/fog/kack/"],"verification":"https://fogatlas.org/fog/scorecard/"}}