Fog in Pori

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 12 hours of dense fog here (10-year average).

Measured at Pori Airport (EFPO). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
EFPOPori Airport126 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 Pori fogs in

Fog here concentrates in September and February — about 126 hours in a typical year at EFPO, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the EFPO station page.

Fog season

January: ~12 hJanFebruary: ~14 hFebMarch: ~9 hMarApril: ~7 hAprMay: ~5 hMayJune: ~6 hJunJuly: ~4 hJulAugust: ~12 hAugSeptember: ~16 hSepOctober: ~14 hOctNovember: ~15 hNovDecember: ~14 hDec
Fog season is year-round, peaking in September; fog is mostly a midnight–9 AM phenomenon; typically thinning out by noon; 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.