Fog in Jackson, KY

daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. August typically brings about 19 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Julian Carroll Airport (KJKL). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
KJKLJulian Carroll Airport147 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 Jackson fogs in

Fog here concentrates in September and August — about 147 hours in a typical year at KJKL, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KJKL station page.

Fog season

January: ~13 hJanFebruary: ~11 hFebMarch: ~10 hMarApril: ~3 hAprMay: ~12 hMayJune: ~10 hJunJuly: ~18 hJulAugust: ~19 hAugSeptember: ~19 hSepOctober: ~8 hOctNovember: ~11 hNovDecember: ~15 hDec
Fog season runs May through March, peaking in August; fog is mostly a 2 AM–8 AM phenomenon; typically thinning out by 10 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.