Fog in Kingston, ON

daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. August typically brings about 1 hour of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Kingston Norman Rogers Airport (CYGK). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
CYGKKingston Norman Rogers Airport41 h/yrverifying

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 Kingston fogs in

Fog here concentrates in January and May — about 41 hours in a typical year at CYGK, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the CYGK station page.

Fog season

January: ~4 hJanFebruary: ~3 hFebMarch: ~3 hMarApril: ~4 hAprMay: ~4 hMayJune: ~2 hJunJuly: ~1 hJulAugust: ~1 hAugSeptember: ~1 hSepOctober: ~1 hOctNovember: ~1 hNovDecember: ~4 hDec
Fog season runs December through June, peaking in January; fog is mostly a 6 AM–10 AM phenomenon; 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.