Fog in Oxnard, CA

daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. August typically brings about 5 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Oxnard Airport (KOXR). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
KOXROxnard Airport52 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 Oxnard fogs in

Fog here concentrates in November and October — about 52 hours in a typical year at KOXR, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KOXR station page.

Fog season

January: ~4 hJanFebruary: ~5 hFebMarch: ~6 hMarApril: ~2 hAprMay: ~1 hMayJune: ~2 hJunJuly: ~3 hJulAugust: ~5 hAugSeptember: ~5 hSepOctober: ~7 hOctNovember: ~9 hNovDecember: ~6 hDec
Fog season runs July through March, peaking in November; fog is mostly a 11 PM–7 AM phenomenon; typically thinning out by 9 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.