Fog in Bradford, PA

daily fog outlook & 2016–2026 climatology
Fog possible — NWS guidance shows a fog signal in the next 48 hours. August typically brings about 13 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Bradford Regional Airport (KBFD). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
KBFDBradford Regional Airport91 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 Bradford fogs in

Fog here concentrates in September and August — about 91 hours in a typical year at KBFD, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KBFD station page.

Fog season

January: ~7 hJanFebruary: ~8 hFebMarch: ~6 hMarApril: ~4 hAprMay: ~6 hMayJune: ~5 hJunJuly: ~11 hJulAugust: ~13 hAugSeptember: ~13 hSepOctober: ~6 hOctNovember: ~4 hNovDecember: ~8 hDec
Fog season is year-round, peaking in August; fog is mostly a 3 AM–7 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.