Fog in Pendleton, OR

daily fog outlook & 2016–2026 climatology
Fog unlikely through Sunday (peak 1%). dense fog (visibility under a mile) is rare here in August.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Eastern Oregon Regional Airport at Pendleton (KPDT). Forecast percentages for this station have passed live verification.

Measuring station

stationairportfog hours/yrforecast
KPDTEastern Oregon Regional Airport at Pendleton157 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 Pendleton fogs in

Fog here concentrates in December and January — about 157 hours in a typical year at KPDT, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KPDT station page.

Fog season

January: ~47 hJanFebruary: ~19 hFebMarch: ~2 hMarApril: ~0 hAprMay: ~1 hMayJune: ~0 hJunJuly: ~0 hJulAugust: ~0 hAugSeptember: ~3 hSepOctober: ~1 hOctNovember: ~35 hNovDecember: ~51 hDec
Fog season runs November through February, peaking in December; fog here can hit at any hour of the day; a typical event lasts about 2 hours once it forms local time · 10-yr average

Machine access: data.json · llms.txt · forecast verification. Not for operational use.