KAHN — Athens Ben Epps Airport

fog forecast & climatology · Athens city page · full 10-year analysis →
Fog unlikely through Saturday (peak 3%). September typically brings about 1 hour of dense fog here.forecast cycle 2026-09-04T13:00:00Z · page rebuilt daily · live layers below update hourly

Fog hours per year
56 h below CAT I minima (2016–2026 average)
Fog season
December and January
Typical fog event
~1 h once it forms (middle half 1–3 h, n=264)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year Athens Ben Epps Airport spends 56 hours below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), concentrated in December and January. The strip above shows the hour-by-hour pattern for the current month from ten years of weather observations.

Fog season

January: ~12 hJanFebruary: ~6 hFebMarch: ~4 hMarApril: ~1 hAprMay: ~2 hMayJune: ~1 hJunJuly: ~1 hJulAugust: ~2 hAugSeptember: ~1 hSepOctober: ~2 hOctNovember: ~8 hNovDecember: ~17 hDec
Fog season runs November through February, peaking in December; fog is mostly a midnight–8 AM phenomenon; typically thinning out by 10 AM; a typical event lasts about 1 hour once it forms local time · 10-yr average

Runway infrastructure

endapproach lightsbest approachlengthRVR
02——3,995 ft—
20——3,995 ft—
09—LPV6,122 ft—
27MALSFLPV6,122 ft—

From FAA NASR / curated AIP Canada research. Approach-light class and minima tier drive how low an approach can be flown — details in the chase board.

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.