Fog in Jackson, MI

daily fog outlook & 2016–2026 climatology
Some chance of fog — peaks at 22% around 3 am Sunday.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Jackson County Airport/Reynolds Field (KJXN). Forecast percentages for this station have passed live verification.

Measuring station

stationairportfog hours/yrforecast
KJXNJackson County Airport/Reynolds Field50 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 Jackson fogs in

Fog here concentrates in September and January — about 50 hours in a typical year at KJXN, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KJXN station page.

Fog season

January: ~8 hJanFebruary: ~4 hFebMarch: ~3 hMarApril: ~2 hAprMay: ~2 hMayJune: ~2 hJunJuly: ~4 hJulAugust: ~6 hAugSeptember: ~8 hSepOctober: ~4 hOctNovember: ~2 hNovDecember: ~6 hDec
Fog season is year-round, peaking in January; fog is mostly a 1 AM–8 AM phenomenon; typically thinning out by 11 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.