Fog in Alflen

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 17 hours of dense fog here (10-year average).

Measured at Büchel Air Base (ETSB). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
ETSBBüchel Air Base623 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 Alflen fogs in

Fog here concentrates in December and January — about 623 hours in a typical year at ETSB, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the ETSB station page.

Fog season

January: ~129 hJanFebruary: ~64 hFebMarch: ~31 hMarApril: ~6 hAprMay: ~6 hMayJune: ~5 hJunJuly: ~9 hJulAugust: ~17 hAugSeptember: ~21 hSepOctober: ~57 hOctNovember: ~119 hNovDecember: ~159 hDec
Fog season runs October through February, peaking in December; fog is mostly a 11 PM–noon phenomenon; 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.