Fog in Romney Marsh, Kent

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 8 hours of dense fog here (10-year average).

Measured at Lydd London Ashford Airport (EGMD). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
EGMDLydd London Ashford Airport136 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 Romney Marsh, Kent fogs in

Fog here concentrates in December and March — about 136 hours in a typical year at EGMD, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the EGMD station page.

Fog season

January: ~10 hJanFebruary: ~14 hFebMarch: ~18 hMarApril: ~12 hAprMay: ~9 hMayJune: ~13 hJunJuly: ~7 hJulAugust: ~8 hAugSeptember: ~7 hSepOctober: ~12 hOctNovember: ~9 hNovDecember: ~18 hDec
Fog season is year-round, peaking in March; fog is mostly a 11 PM–7 AM phenomenon; typically thinning out by 9 AM; 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.