Fog in Ambler, AK

daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. August typically brings about 13 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

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

Measuring station

stationairportfog hours/yrforecast
PAFMAmbler Airport66 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 Ambler fogs in

Fog here concentrates in August and September — about 66 hours in a typical year at PAFM, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the PAFM station page.

Fog season

January: ~2 hJanFebruary: ~3 hFebMarch: ~4 hMarApril: ~5 hAprMay: ~6 hMayJune: ~2 hJunJuly: ~6 hJulAugust: ~13 hAugSeptember: ~10 hSepOctober: ~5 hOctNovember: ~9 hNovDecember: ~4 hDec
Fog season is March, April, May, July, August, September, October, November, December, peaking in August; fog is mostly a 3 AM–10 AM phenomenon; typically thinning out by 1 PM; 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.