Fog in Lewisburg, WV

daily fog outlook & 2016–2026 climatology
Fog likely Sunday — 54% chance of fog (visibility under 1 mile) around 7 am Sunday, with the fog window roughly 6 am to 8 am local time.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Greenbrier Valley Airport (KLWB). Forecast percentages for this station have passed live verification.

Measuring station

stationairportfog hours/yrforecast
KLWBGreenbrier Valley Airport386 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 Lewisburg fogs in

Fog here concentrates in September and August — about 386 hours in a typical year at KLWB, usually lasting ~3 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KLWB station page.

Fog season

January: ~10 hJanFebruary: ~13 hFebMarch: ~8 hMarApril: ~7 hAprMay: ~25 hMayJune: ~40 hJunJuly: ~62 hJulAugust: ~73 hAugSeptember: ~73 hSepOctober: ~39 hOctNovember: ~12 hNovDecember: ~10 hDec
Fog season runs May through October, peaking in August; fog is mostly a 3 AM–8 AM phenomenon; typically thinning out by 9 AM; a typical event lasts about 3 hours once it forms local time · 10-yr average

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