Fog in Ewing Township, NJ

daily fog outlook & 2016–2026 climatology
Fog unlikely through Monday (peak 3%). 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 Trenton Mercer Airport (KTTN). Forecast percentages for this station have passed live verification.

Measuring station

stationairportfog hours/yrforecast
KTTNTrenton Mercer Airport60 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 Ewing Township fogs in

Fog here concentrates in February and December — about 60 hours in a typical year at KTTN, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KTTN station page.

Fog season

January: ~7 hJanFebruary: ~8 hFebMarch: ~6 hMarApril: ~4 hAprMay: ~6 hMayJune: ~2 hJunJuly: ~3 hJulAugust: ~2 hAugSeptember: ~3 hSepOctober: ~7 hOctNovember: ~5 hNovDecember: ~8 hDec
Fog season is year-round, peaking in February; fog is mostly a 2 AM–8 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.