{"city":"Oshkosh","region":"US-WI","country":"US","slug":"oshkosh-wi","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"KOSH","name":"Wittman Regional Airport","subCat1HoursPerYear":50,"forecast":"live forecast"}],"primaryStation":"KOSH","forecast":{"covered":true,"public":true,"cycle":"2026-08-16T00:00:00Z","peakPct":5,"peakAtLocal":"2026-08-16T01:00:00-05:00","wording":"No, fog is unlikely in the next 36 hours \u2014 the calibrated forecast peaks at just 5%. August typically brings about 2 hours of dense fog here."},"climatology":{"subCat1HoursPerYear":50,"fogSeasonPeakMonths":["January","December"],"medianEventHours":1,"season":{"summary":"Fog season is January, February, March, April, September, November, December, peaking in January; fog is mostly a 3 AM\u201310 AM phenomenon; typically thinning out by noon; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","April","September","November","December"],"timeOfDay":"3 AM\u201310 AM","typicallyClearsBy":"noon"}},"links":{"page":"https://fogatlas.org/fog/city/oshkosh-wi/","stationPages":["https://fogatlas.org/fog/kosh/"],"verification":"https://fogatlas.org/fog/scorecard/"}}