Fog in Newport, RI

daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. 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 Newport State Airport (KUUU). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
KUUUNewport State Airport185 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 June and May — about 185 hours in a typical year at KUUU, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KUUU station page.

Fog season

January: ~8 hJanFebruary: ~16 hFebMarch: ~20 hMarApril: ~18 hAprMay: ~21 hMayJune: ~27 hJunJuly: ~19 hJulAugust: ~9 hAugSeptember: ~15 hSepOctober: ~13 hOctNovember: ~6 hNovDecember: ~10 hDec
Fog season runs December through October, peaking in June; fog is mostly a 1 AM–7 AM phenomenon; typically thinning out by 10 AM; 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.