Fog in Lafayette, LA

daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. August typically brings about 2 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Lafayette Regional Airport (KLFT). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
KLFTLafayette Regional Airport71 h/yrverifying

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 Lafayette fogs in

Fog here concentrates in December and February — about 71 hours in a typical year at KLFT, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KLFT station page.

Fog season

January: ~9 hJanFebruary: ~12 hFebMarch: ~6 hMarApril: ~2 hAprMay: ~2 hMayJune: ~1 hJunJuly: ~1 hJulAugust: ~2 hAugSeptember: ~1 hSepOctober: ~8 hOctNovember: ~7 hNovDecember: ~21 hDec
Fog season runs October through March, peaking in December; fog is mostly a 3 AM–8 AM phenomenon; typically thinning out by 9 AM; a typical event lasts about 1 hour once it forms local time · 10-yr average

Machine access: data.json · llms.txt · forecast verification. Not for operational use.