Fog in Nenana, AK

daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for 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 Nenana Municipal Airport (PANN). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
PANNNenana Municipal Airport21 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 Nenana fogs in

Fog here concentrates in September and August — about 21 hours in a typical year at PANN, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the PANN station page.

Fog season

January: ~1 hJanFebruary: ~2 hFebMarch: ~1 hMarApril: ~0 hAprMay: ~2 hMayJune: ~1 hJunJuly: ~1 hJulAugust: ~3 hAugSeptember: ~3 hSepOctober: ~3 hOctNovember: ~2 hNovDecember: ~2 hDec
Fog season is February, May, August, September, October, November, December, peaking in August; fog is mostly a 1 AM–11 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.