Fog in Saranac Lake, NY

daily fog outlook & 2016–2026 climatology
Some chance of fog — peaks at 30% around 5 am Monday.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Adirondack Regional Airport (KSLK). Forecast percentages for this station have passed live verification.

Measuring station

stationairportfog hours/yrforecast
KSLKAdirondack Regional Airport149 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 Saranac Lake fogs in

Fog here concentrates in September and August — about 149 hours in a typical year at KSLK, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KSLK station page.

Fog season

January: ~4 hJanFebruary: ~5 hFebMarch: ~5 hMarApril: ~3 hAprMay: ~8 hMayJune: ~10 hJunJuly: ~19 hJulAugust: ~26 hAugSeptember: ~44 hSepOctober: ~16 hOctNovember: ~6 hNovDecember: ~4 hDec
Fog season runs July through October, peaking in September; fog is mostly a 3 AM–7 AM phenomenon; typically thinning out by 8 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.