EGYE — RAF Barkston Heath

fog forecast & climatology · Grantham, Lincolnshire city page · full 10-year analysis →
No fog forecast feed exists for this station. September typically brings about 24 hours of dense fog here (10-year average).

Fog hours per year
227 h below CAT I minima (2016–2026 average)
Fog season
December and February
Typical fog event
~2 h once it forms (middle half 1–3 h, n=444)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year RAF Barkston Heath spends 227 hours below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), concentrated in December and February. The strip above shows the hour-by-hour pattern for the current month from ten years of weather observations.

Fog season

January: ~27 hJanFebruary: ~26 hFebMarch: ~25 hMarApril: ~7 hAprMay: ~16 hMayJune: ~4 hJunJuly: ~2 hJulAugust: ~2 hAugSeptember: ~24 hSepOctober: ~27 hOctNovember: ~20 hNovDecember: ~50 hDec
Fog season is January, February, March, May, September, October, November, December, peaking in December; fog is mostly a midnight–9 AM phenomenon; typically thinning out by noon; 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.