Fog in Castres

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. dense fog (visibility under a mile) is rare here in August (10-year average).

Measured at Castres Mazamet Airport (LFCK). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
LFCKCastres Mazamet Airport64 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 Castres fogs in

Fog here concentrates in December and January — about 64 hours in a typical year at LFCK, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the LFCK station page.

Fog season

January: ~21 hJanFebruary: ~5 hFebMarch: ~1 hMarApril: ~0 hAprMay: ~0 hMayJune: ~0 hJunJuly: ~0 hJulAugust: ~0 hAugSeptember: ~0 hSepOctober: ~5 hOctNovember: ~7 hNovDecember: ~25 hDec
Fog season runs November through January, peaking in December; fog is mostly a 1 AM–11 AM phenomenon; typically thinning out by 2 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.