Fog in Lexington, KY

daily fog outlook & 2016–2026 climatology
Fog unlikely through Monday (peak 4%). August typically brings about 4 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Blue Grass Airport (KLEX). Forecast percentages for this station have passed live verification.

Measuring station

stationairportfog hours/yrforecast
KLEXBlue Grass Airport37 h/yrlive forecast

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 Lexington fogs in

Fog here concentrates in November and August — about 37 hours in a typical year at KLEX, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KLEX station page.

Fog season

January: ~3 hJanFebruary: ~4 hFebMarch: ~2 hMarApril: ~1 hAprMay: ~3 hMayJune: ~2 hJunJuly: ~2 hJulAugust: ~4 hAugSeptember: ~4 hSepOctober: ~3 hOctNovember: ~5 hNovDecember: ~3 hDec
Fog season runs May through March, peaking in November; fog is mostly a 2 AM–8 AM phenomenon; typically thinning out by 10 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.