Fog in Platinum, AK

daily fog outlook & 2016–2026 climatology
Fog possible — NWS guidance shows a fog signal in the next 48 hours. August typically brings about 3 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

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

Measuring station

stationairportfog hours/yrforecast
PAPMPlatinum Airport102 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 Platinum fogs in

Fog here concentrates in March and April — about 102 hours in a typical year at PAPM, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the PAPM station page.

Fog season

January: ~12 hJanFebruary: ~10 hFebMarch: ~13 hMarApril: ~13 hAprMay: ~9 hMayJune: ~12 hJunJuly: ~10 hJulAugust: ~3 hAugSeptember: ~1 hSepOctober: ~2 hOctNovember: ~7 hNovDecember: ~11 hDec
Fog season runs November through July, peaking in March; fog here can hit at any hour of the day; 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.