{"icao":"KGRB","name":"Austin Straubel International Airport","lat":44.4835,"lon":-88.1308,"country":"US","tz":"America/Chicago","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":55,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["January","December"],"monthlyHours":[10,7,4,6,3,0,2,3,8,2,3,9],"medianEventHours":2,"season":{"summary":"Fog season is January, February, March, April, May, August, September, November, December, peaking in January; fog is mostly a 1 AM\u20138 AM phenomenon; typically thinning out by 11 AM; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","March","April","May","August","September","November","December"],"timeOfDay":"1 AM\u20138 AM","typicallyClearsBy":"11 AM"}},"forecast":{"covered":true,"public":true,"cycle":"2026-09-04T13:00:00Z","peakPct":12,"peakAtLocal":"2026-09-05T06:00:00-05:00","wording":"No, fog is unlikely in the next 36 hours \u2014 the calibrated forecast peaks at just 12%. September typically brings about 8 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/kgrb/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KGRB","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KGRB.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}