Fog in Bristol

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 14 hours of dense fog here (10-year average).

Measured at Bristol Airport (EGGD). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
EGGDBristol Airport358 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 Bristol fogs in

Fog here concentrates in December and January — about 358 hours in a typical year at EGGD, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the EGGD station page.

Fog season

January: ~51 hJanFebruary: ~38 hFebMarch: ~40 hMarApril: ~17 hAprMay: ~22 hMayJune: ~16 hJunJuly: ~15 hJulAugust: ~14 hAugSeptember: ~21 hSepOctober: ~23 hOctNovember: ~36 hNovDecember: ~66 hDec
Fog season runs September through May, peaking in December; 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.