Fog in Muncie, IN

daily fog outlook & 2016–2026 climatology
Fog unlikely through Monday (peak 6%). August typically brings about 3 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Delaware County Johnson Field (KMIE). Forecast percentages for this station have passed live verification.

Measuring station

stationairportfog hours/yrforecast
KMIEDelaware County Johnson Field33 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 Muncie fogs in

Fog here concentrates in September and December — about 33 hours in a typical year at KMIE, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KMIE station page.

Fog season

January: ~3 hJanFebruary: ~3 hFebMarch: ~3 hMarApril: ~1 hAprMay: ~3 hMayJune: ~1 hJunJuly: ~2 hJulAugust: ~3 hAugSeptember: ~7 hSepOctober: ~1 hOctNovember: ~2 hNovDecember: ~5 hDec
Fog season is January, February, March, May, July, August, September, November, December, peaking in September; fog is mostly a 3 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.