Fog in Sligo

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 1 hour of dense fog here (10-year average).

Measured at Sligo Airport (EISG). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
EISGSligo Airport14 h/yrclimatology

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 Sligo fogs in

Fog here concentrates in November and December — about 14 hours in a typical year at EISG, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the EISG station page.

Fog season

January: ~1 hJanFebruary: ~0 hFebMarch: ~1 hMarApril: ~0 hAprMay: ~0 hMayJune: ~1 hJunJuly: ~0 hJulAugust: ~1 hAugSeptember: ~0 hSepOctober: ~0 hOctNovember: ~2 hNovDecember: ~1 hDec
Fog season is November, peaking in November; fog is mostly a noon–4 PM phenomenon; typically thinning out by 6 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.