Fog in Everett, WA

daily fog outlook & 2016–2026 climatology
Fog unlikely through Sunday (peak 5%). August typically brings about 6 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Seattle Paine Field International Airport (KPAE). Forecast percentages for this station have passed live verification.

Measuring station

stationairportfog hours/yrforecast
KPAESeattle Paine Field International Airport129 h/yrlive forecast

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 Everett fogs in

Fog here concentrates in January and October — about 129 hours in a typical year at KPAE, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KPAE station page.

Fog season

January: ~29 hJanFebruary: ~8 hFebMarch: ~4 hMarApril: ~2 hAprMay: ~7 hMayJune: ~3 hJunJuly: ~4 hJulAugust: ~6 hAugSeptember: ~15 hSepOctober: ~21 hOctNovember: ~12 hNovDecember: ~19 hDec
Fog season runs September through February, peaking in January; fog is mostly a 1 AM–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.