Fog in Cape Town

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 13 hours of dense fog here (10-year average).

Measured at Cape Town International Airport (FACT). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
FACTCape Town International Airport109 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 Cape Town fogs in

Fog here concentrates in May and June — about 109 hours in a typical year at FACT, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the FACT station page.

Fog season

January: ~1 hJanFebruary: ~2 hFebMarch: ~4 hMarApril: ~15 hAprMay: ~25 hMayJune: ~21 hJunJuly: ~19 hJulAugust: ~13 hAugSeptember: ~2 hSepOctober: ~2 hOctNovember: ~1 hNovDecember: ~0 hDec
Fog season runs April through August, peaking in May; fog is mostly a 11 PM–9 AM phenomenon; typically thinning out by 11 AM; 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.