{"city":"Johnstown","region":"US-PA","country":"US","slug":"johnstown-pa","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"KJST","name":"John Murtha Johnstown Cambria County Airport","subCat1HoursPerYear":121,"forecast":"live forecast"}],"primaryStation":"KJST","forecast":{"covered":true,"public":true,"cycle":"2026-08-16T00:00:00Z","peakPct":8,"peakAtLocal":"2026-08-17T05:00:00-04:00","wording":"No, fog is unlikely in the next 36 hours \u2014 the calibrated forecast peaks at just 8%. August typically brings about 7 hours of dense fog here."},"climatology":{"subCat1HoursPerYear":121,"fogSeasonPeakMonths":["January","December"],"medianEventHours":1,"season":{"summary":"Fog season is year-round, peaking in January; fog is mostly a 2 AM\u20139 AM phenomenon; typically thinning out by 3 PM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","April","May","June","July","August","September","October","November","December"],"timeOfDay":"2 AM\u20139 AM","typicallyClearsBy":"3 PM"}},"links":{"page":"https://fogatlas.org/fog/city/johnstown-pa/","stationPages":["https://fogatlas.org/fog/kjst/"],"verification":"https://fogatlas.org/fog/scorecard/"}}