Fog in Windsor, ON

daily fog outlook & 2016–2026 climatology
Fog unlikely through Sunday (peak 6%). August typically brings about 2 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Windsor International Airport (CYQG). Forecast percentages for this station have passed live verification.

Measuring station

stationairportfog hours/yrforecast
CYQGWindsor International Airport53 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 Windsor fogs in

Fog here concentrates in January and February — about 53 hours in a typical year at CYQG, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the CYQG station page.

Fog season

January: ~14 hJanFebruary: ~7 hFebMarch: ~4 hMarApril: ~2 hAprMay: ~1 hMayJune: ~1 hJunJuly: ~0 hJulAugust: ~2 hAugSeptember: ~6 hSepOctober: ~5 hOctNovember: ~5 hNovDecember: ~7 hDec
Fog season runs September through March, peaking in January; fog is mostly a 3 AM–9 AM phenomenon; typically thinning out by noon; a typical event lasts about 2 hours once it forms local time · 10-yr average

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