{"city":"San Salvador","region":"SV-SS","country":"SV","slug":"san-salvador","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"MSSS","name":"Ilopango International Airport","subCat1HoursPerYear":22,"forecast":"climatology"}],"primaryStation":"MSSS","forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. August typically brings about 5 hours of dense fog here (10-year average)."},"climatology":{"subCat1HoursPerYear":22,"fogSeasonPeakMonths":["September","August"],"medianEventHours":1,"season":{"summary":"Fog season runs May through October, peaking in September; fog is mostly a 5 AM\u20135 AM phenomenon; typically thinning out by 7 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["May","June","July","August","September","October"],"timeOfDay":"5 AM\u20135 AM","typicallyClearsBy":"7 AM"}},"links":{"page":"https://fogatlas.org/fog/city/san-salvador/","stationPages":["https://fogatlas.org/fog/msss/"],"verification":"https://fogatlas.org/fog/scorecard/"}}