Fog in Bremerton, WA

daily fog outlook & 2016–2026 climatology
Fog unlikely through Monday (peak 9%). August typically brings about 9 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Bremerton National Airport (KPWT). Forecast percentages for this station have passed live verification.

Measuring station

stationairportfog hours/yrforecast
KPWTBremerton National Airport138 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 Bremerton fogs in

Fog here concentrates in November and January — about 138 hours in a typical year at KPWT, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KPWT station page.

Fog season

January: ~25 hJanFebruary: ~11 hFebMarch: ~8 hMarApril: ~5 hAprMay: ~4 hMayJune: ~4 hJunJuly: ~4 hJulAugust: ~9 hAugSeptember: ~8 hSepOctober: ~18 hOctNovember: ~25 hNovDecember: ~21 hDec
Fog season runs August through March, peaking in January; fog is mostly a 5 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.