Fog in Mansfield, OH

daily fog outlook & 2016–2026 climatology
Fog unlikely through Sunday (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 Mansfield Lahm Regional Airport (KMFD). Forecast percentages for this station have passed live verification.

Measuring station

stationairportfog hours/yrforecast
KMFDMansfield Lahm Regional Airport50 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 Mansfield fogs in

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

Fog season

January: ~4 hJanFebruary: ~6 hFebMarch: ~3 hMarApril: ~2 hAprMay: ~4 hMayJune: ~1 hJunJuly: ~3 hJulAugust: ~4 hAugSeptember: ~5 hSepOctober: ~5 hOctNovember: ~5 hNovDecember: ~9 hDec
Fog season is January, February, March, May, July, August, September, October, November, December, peaking in December; fog is mostly a 3 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.