ETHN — Niederstetten Army Air Base

fog forecast & climatology · Niederstetten city page · full 10-year analysis →
No fog forecast feed exists for this station. September typically brings about 11 hours of dense fog here (10-year average).

Fog hours per year
336 h below CAT I minima (2016–2026 average)
Fog season
December and November
Typical fog event
~2 h once it forms (middle half 1–5 h, n=894)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year Niederstetten Army Air Base spends 336 hours below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), concentrated in December and November. The strip above shows the hour-by-hour pattern for the current month from ten years of weather observations.

Fog season

January: ~66 hJanFebruary: ~25 hFebMarch: ~8 hMarApril: ~9 hAprMay: ~5 hMayJune: ~8 hJunJuly: ~2 hJulAugust: ~2 hAugSeptember: ~11 hSepOctober: ~30 hOctNovember: ~87 hNovDecember: ~96 hDec
Fog season runs October through February, peaking in December; fog here can hit at any hour of the day; a typical event lasts about 2 hours once it forms local time · 10-yr average

For flight operations

EFVS crews: the CHASE board ranks airports by live fog status, approach lighting, go-around height and flight time from your base. Forecast probabilities publish here per-airport once the calibrated model beats climatology on live verification — receipts on the scorecard. Methodology.

Sources: NOAA/NWS National Blend of Models guidance · METAR observations 2016–2026 (Iowa Environmental Mesonet) · FAA NASR. Machine access: data.json · llms.txt. Not for operational use.