Fog in Grâce-Hollogne

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 2 hours of dense fog here (10-year average).

Measured at Liège Airport (EBLG). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
EBLGLiège Airport125 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 Grâce-Hollogne fogs in

Fog here concentrates in January and December — about 125 hours in a typical year at EBLG, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the EBLG station page.

Fog season

January: ~39 hJanFebruary: ~8 hFebMarch: ~6 hMarApril: ~5 hAprMay: ~8 hMayJune: ~3 hJunJuly: ~1 hJulAugust: ~2 hAugSeptember: ~5 hSepOctober: ~9 hOctNovember: ~12 hNovDecember: ~28 hDec
Fog season runs November through January, peaking in January; fog here can hit at any hour of the day; 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.