Fog in Mary

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 1 hour of dense fog here (10-year average).

Measured at Mary International Airport (UTAM). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
UTAMMary International Airport49 h/yrclimatology

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 Mary fogs in

Fog here concentrates in December and January — about 49 hours in a typical year at UTAM, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the UTAM station page.

Fog season

January: ~15 hJanFebruary: ~7 hFebMarch: ~2 hMarApril: ~1 hAprMay: ~1 hMayJune: ~1 hJunJuly: ~0 hJulAugust: ~1 hAugSeptember: ~1 hSepOctober: ~0 hOctNovember: ~3 hNovDecember: ~18 hDec
Fog season runs December through February, peaking in December; fog is mostly a 3 AM–10 AM phenomenon; typically thinning out by 1 PM; 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.