Fog in Hancock, MI

daily fog outlook & 2016–2026 climatology
Fog unlikely through Sunday (peak 7%). August typically brings about 14 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Houghton County Memorial Airport (KCMX). Forecast percentages for this station have passed live verification.

Measuring station

stationairportfog hours/yrforecast
KCMXHoughton County Memorial Airport209 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 Hancock fogs in

Fog here concentrates in December and January — about 209 hours in a typical year at KCMX, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KCMX station page.

Fog season

January: ~28 hJanFebruary: ~21 hFebMarch: ~17 hMarApril: ~26 hAprMay: ~17 hMayJune: ~14 hJunJuly: ~10 hJulAugust: ~14 hAugSeptember: ~18 hSepOctober: ~6 hOctNovember: ~9 hNovDecember: ~29 hDec
Fog season runs November through September, peaking in December; fog here can hit at any hour of the day; 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.