Fog in Baie-Comeau, QC

daily fog outlook & 2016–2026 climatology
Fog unlikely through Monday (peak 5%). August typically brings about 9 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Baie-Comeau Airport (CYBC). Forecast percentages for this station have passed live verification.

Measuring station

stationairportfog hours/yrforecast
CYBCBaie-Comeau Airport92 h/yrlive forecast

Fog is measured where instruments live — airports. Hours/yr = time below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), the aviation definition of seriously dense fog.

When Baie-Comeau fogs in

Fog here concentrates in July and September — about 92 hours in a typical year at CYBC, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the CYBC station page.

Fog season

January: ~6 hJanFebruary: ~6 hFebMarch: ~7 hMarApril: ~4 hAprMay: ~4 hMayJune: ~10 hJunJuly: ~21 hJulAugust: ~9 hAugSeptember: ~12 hSepOctober: ~5 hOctNovember: ~1 hNovDecember: ~5 hDec
Fog season is January, February, March, June, July, August, September, peaking in July; fog is mostly a 1 AM–8 AM phenomenon; typically thinning out by noon; a typical event lasts about 1 hour once it forms local time · 10-yr average

Machine access: data.json · llms.txt · forecast verification. Not for operational use.