Fog in Charlottetown, PE

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 Charlottetown Airport (CYYG). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
CYYGCharlottetown Airport64 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 Charlottetown fogs in

Fog here concentrates in February and January — about 64 hours in a typical year at CYYG, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the CYYG station page.

Fog season

January: ~10 hJanFebruary: ~10 hFebMarch: ~9 hMarApril: ~7 hAprMay: ~5 hMayJune: ~6 hJunJuly: ~3 hJulAugust: ~1 hAugSeptember: ~2 hSepOctober: ~2 hOctNovember: ~4 hNovDecember: ~5 hDec
Fog season runs November through July, peaking in January; fog is mostly a 5 AM–9 AM phenomenon; typically thinning out by 11 AM; 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.