Fog in Geraldton, ON

daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. August typically brings about 5 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Geraldton Greenstone Regional Airport (CYGQ). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
CYGQGeraldton Greenstone Regional Airport93 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 Geraldton fogs in

Fog here concentrates in November and December — about 93 hours in a typical year at CYGQ, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the CYGQ station page.

Fog season

January: ~11 hJanFebruary: ~5 hFebMarch: ~3 hMarApril: ~9 hAprMay: ~3 hMayJune: ~3 hJunJuly: ~3 hJulAugust: ~5 hAugSeptember: ~9 hSepOctober: ~6 hOctNovember: ~19 hNovDecember: ~18 hDec
Fog season is January, February, April, August, September, October, November, December, peaking in November; fog is mostly a 4 AM–10 AM phenomenon; typically thinning out by 5 PM; 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.