Fog in Salisbury, Wiltshire

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 12 hours of dense fog here (10-year average).

Measured at MoD Boscombe Down (EGDM). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
EGDMMoD Boscombe Down298 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 Salisbury, Wiltshire fogs in

Fog here concentrates in December and January — about 298 hours in a typical year at EGDM, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the EGDM station page.

Fog season

January: ~41 hJanFebruary: ~32 hFebMarch: ~26 hMarApril: ~9 hAprMay: ~13 hMayJune: ~12 hJunJuly: ~8 hJulAugust: ~12 hAugSeptember: ~23 hSepOctober: ~34 hOctNovember: ~34 hNovDecember: ~59 hDec
Fog season runs September through March, peaking in December; fog is mostly a 10 PM–8 AM phenomenon; typically thinning out by 10 AM; 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.