Fog in Tijuana

daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. 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 General Abelardo L. Rodriguez International Airport (MMTJ). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
MMTJGeneral Abelardo L. Rodriguez International Airport97 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 Tijuana fogs in

Fog here concentrates in December and October — about 97 hours in a typical year at MMTJ, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the MMTJ station page.

Fog season

January: ~5 hJanFebruary: ~6 hFebMarch: ~6 hMarApril: ~8 hAprMay: ~1 hMayJune: ~2 hJunJuly: ~4 hJulAugust: ~4 hAugSeptember: ~11 hSepOctober: ~16 hOctNovember: ~14 hNovDecember: ~19 hDec
Fog season runs September through April, peaking in December; fog is mostly a midnight–7 AM phenomenon; typically thinning out by 8 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.