{"city":"Sarnia","region":"CA-ON","country":"CA","slug":"sarnia-on","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"CYZR","name":"Chris Hadfield Airport","subCat1HoursPerYear":41,"forecast":"live forecast"}],"primaryStation":"CYZR","forecast":{"covered":true,"public":true,"cycle":"2026-08-16T00:00:00Z","peakPct":4,"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 4%. August typically brings about 2 hours of dense fog here."},"climatology":{"subCat1HoursPerYear":41,"fogSeasonPeakMonths":["January","October"],"medianEventHours":1,"season":{"summary":"Fog season is January, February, March, April, September, October, peaking in January; fog is mostly a 5 AM\u20139 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","October"],"timeOfDay":"5 AM\u20139 AM","typicallyClearsBy":"noon"}},"links":{"page":"https://fogatlas.org/fog/city/sarnia-on/","stationPages":["https://fogatlas.org/fog/cyzr/"],"verification":"https://fogatlas.org/fog/scorecard/"}}