{"city":"Porto Alegre","region":"BR-RS","country":"BR","slug":"porto-alegre","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"SBPA","name":"Porto Alegre-Salgado Filho International Airport","subCat1HoursPerYear":61,"forecast":"climatology"},{"icao":"SBCO","name":"Canoas Air Force Base","subCat1HoursPerYear":121,"forecast":"climatology"}],"primaryStation":"SBPA","forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. August typically brings about 7 hours of dense fog here (10-year average)."},"climatology":{"subCat1HoursPerYear":61,"fogSeasonPeakMonths":["June","July"],"medianEventHours":2,"season":{"summary":"Fog season runs May through August, peaking in June; fog is mostly a 4 AM\u20139 AM phenomenon; typically thinning out by 11 AM; a typical event lasts about 2 hours (local time, 10-year average).","months":["May","June","July","August"],"timeOfDay":"4 AM\u20139 AM","typicallyClearsBy":"11 AM"}},"links":{"page":"https://fogatlas.org/fog/city/porto-alegre/","stationPages":["https://fogatlas.org/fog/sbpa/","https://fogatlas.org/fog/sbco/"],"verification":"https://fogatlas.org/fog/scorecard/"}}