Fog in Newburgh, NY

daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. August typically brings about 2 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at New York Stewart International Airport (KSWF). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
KSWFNew York Stewart International Airport46 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 Newburgh fogs in

Fog here concentrates in December and March — about 46 hours in a typical year at KSWF, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KSWF station page.

Fog season

January: ~5 hJanFebruary: ~5 hFebMarch: ~6 hMarApril: ~0 hAprMay: ~3 hMayJune: ~1 hJunJuly: ~1 hJulAugust: ~2 hAugSeptember: ~5 hSepOctober: ~5 hOctNovember: ~2 hNovDecember: ~11 hDec
Fog season is January, February, March, May, September, October, December, peaking in December; fog is mostly a 3 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.