Fog in Earlton, ON

daily fog outlook & 2016–2026 climatology
Fog unlikely through Monday (peak 16%). August typically brings about 8 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Earlton (Timiskaming Regional) Airport (CYXR). Forecast percentages for this station have passed live verification.

Measuring station

stationairportfog hours/yrforecast
CYXREarlton (Timiskaming Regional) Airport91 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 Earlton fogs in

Fog here concentrates in September and December — about 91 hours in a typical year at CYXR, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the CYXR station page.

Fog season

January: ~2 hJanFebruary: ~9 hFebMarch: ~7 hMarApril: ~9 hAprMay: ~4 hMayJune: ~3 hJunJuly: ~4 hJulAugust: ~8 hAugSeptember: ~14 hSepOctober: ~11 hOctNovember: ~8 hNovDecember: ~12 hDec
Fog season is February, March, April, May, July, August, September, October, November, December, peaking in September; fog is mostly a 4 AM–9 AM phenomenon; typically thinning out by 11 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.