Fog in Châteaudun, Eure-et-Loir

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 Châteaudun Airfield (LFOC). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
LFOCChâteaudun Airfield155 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 Châteaudun, Eure-et-Loir fogs in

Fog here concentrates in December and November — about 155 hours in a typical year at LFOC, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the LFOC station page.

Fog season

January: ~18 hJanFebruary: ~11 hFebMarch: ~3 hMarApril: ~4 hAprMay: ~5 hMayJune: ~3 hJunJuly: ~1 hJulAugust: ~2 hAugSeptember: ~6 hSepOctober: ~16 hOctNovember: ~40 hNovDecember: ~58 hDec
Fog season runs October 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.