Fog in Yekaterinburg

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 4 hours of dense fog here (10-year average).

Measured at Koltsovo Airport (USSS). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
USSSKoltsovo Airport62 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 Yekaterinburg fogs in

Fog here concentrates in September and March — about 62 hours in a typical year at USSS, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the USSS station page.

Fog season

January: ~6 hJanFebruary: ~6 hFebMarch: ~7 hMarApril: ~4 hAprMay: ~2 hMayJune: ~3 hJunJuly: ~4 hJulAugust: ~4 hAugSeptember: ~12 hSepOctober: ~6 hOctNovember: ~3 hNovDecember: ~4 hDec
Fog season runs June through April, peaking in September; fog is mostly a 2 AM–7 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.