Fog in Rancagua

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 11 hours of dense fog here (10-year average).

Measured at La Independencia Airport (SCRG). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
SCRGLa Independencia Airport103 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 Rancagua fogs in

Fog here concentrates in August and May — about 103 hours in a typical year at SCRG, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the SCRG station page.

Fog season

January: ~0 hJanFebruary: ~0 hFebMarch: ~1 hMarApril: ~3 hAprMay: ~8 hMayJune: ~6 hJunJuly: ~7 hJulAugust: ~11 hAugSeptember: ~1 hSepOctober: ~3 hOctNovember: ~0 hNovDecember: ~0 hDec
Fog season is April, May, June, July, August, October, peaking in August; fog is mostly a 8 AM–10 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.