{"icao":"KPIT","name":"Pittsburgh International Airport","lat":40.4915,"lon":-80.2329,"country":"US","tz":"America/New_York","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":37,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["December","February"],"monthlyHours":[4,6,2,1,3,1,2,3,2,3,4,7],"medianEventHours":2,"season":{"summary":"Fog season is January, February, March, May, July, August, September, October, November, December, peaking in December; fog is mostly a 3 AM\u20139 AM phenomenon; typically thinning out by 11 AM; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","March","May","July","August","September","October","November","December"],"timeOfDay":"3 AM\u20139 AM","typicallyClearsBy":"11 AM"}},"forecast":{"covered":true,"public":true,"cycle":"2026-09-04T13:00:00Z","peakPct":6,"peakAtLocal":"2026-09-05T07:00:00-04:00","wording":"No, fog is unlikely in the next 36 hours \u2014 the calibrated forecast peaks at just 6%. September typically brings about 2 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/kpit/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KPIT","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KPIT.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}