Fog in Chihuahua

daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. dense fog (visibility under a mile) is rare here in August.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at General Roberto Fierro Villalobos International Airport (MMCU). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
MMCUGeneral Roberto Fierro Villalobos International Airport2 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 Chihuahua fogs in

Fog here concentrates in October and November — about 2 hours in a typical year at MMCU. Hour-by-hour patterns, live conditions and the forecast strip live on the MMCU station page.

Fog season

January: ~0 hJanFebruary: ~0 hFebMarch: ~0 hMarApril: ~0 hAprMay: ~0 hMayJune: ~0 hJunJuly: ~0 hJulAugust: ~0 hAugSeptember: ~0 hSepOctober: ~2 hOctNovember: ~1 hNovDecember: ~0 hDec
Fog season is October, peaking in October; fog is mostly a 6 AM–6 AM phenomenon; typically thinning out by 7 AM local time · 10-yr average

Machine access: data.json · llms.txt · forecast verification. Not for operational use.