Fog in Newport, OR

daily fog outlook & 2016–2026 climatology
Fog possible — NWS guidance shows a fog signal in the next 48 hours. August typically brings about 18 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

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

Measuring station

stationairportfog hours/yrforecast
KONPNewport Municipal Airport115 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 Newport fogs in

Fog here concentrates in September and August — about 115 hours in a typical year at KONP, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KONP station page.

Fog season

January: ~2 hJanFebruary: ~5 hFebMarch: ~4 hMarApril: ~4 hAprMay: ~5 hMayJune: ~7 hJunJuly: ~15 hJulAugust: ~18 hAugSeptember: ~27 hSepOctober: ~16 hOctNovember: ~8 hNovDecember: ~3 hDec
Fog season runs June through November, peaking in September; fog is mostly a 3 AM–7 AM phenomenon; typically thinning out by 9 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.