Fog in Hoquiam, WA

daily fog outlook & 2016–2026 climatology
Fog possible — NWS guidance shows a fog signal in the next 48 hours. August typically brings about 5 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

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

Measuring station

stationairportfog hours/yrforecast
KHQMBowerman Airport54 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 Hoquiam fogs in

Fog here concentrates in October and September — about 54 hours in a typical year at KHQM, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KHQM station page.

Fog season

January: ~3 hJanFebruary: ~3 hFebMarch: ~5 hMarApril: ~2 hAprMay: ~2 hMayJune: ~2 hJunJuly: ~3 hJulAugust: ~5 hAugSeptember: ~7 hSepOctober: ~13 hOctNovember: ~5 hNovDecember: ~4 hDec
Fog season is March, August, September, October, November, December, peaking in October; fog is mostly a 3 AM–8 AM phenomenon; typically thinning out by 10 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.