Fog in Mosjøen

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 15 hours of dense fog here (10-year average).

Measured at Mosjøen Airport; Kjærstad (ENMS). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
ENMSMosjøen Airport; Kjærstad69 h/yrclimatology

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 Mosjøen fogs in

Fog here concentrates in October and August — about 69 hours in a typical year at ENMS, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the ENMS station page.

Fog season

January: ~5 hJanFebruary: ~6 hFebMarch: ~4 hMarApril: ~1 hAprMay: ~0 hMayJune: ~4 hJunJuly: ~4 hJulAugust: ~15 hAugSeptember: ~12 hSepOctober: ~21 hOctNovember: ~12 hNovDecember: ~6 hDec
Fog season is February, August, September, October, November, December, peaking in October; fog is mostly a 11 PM–5 AM phenomenon; typically thinning out by 9 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.