Fog in Key West, FL
daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. dense fog (visibility under a mile) is rare here in August.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly
Measured at Naval Air Station Key West/Boca Chica Field (KNQX). This station is in forecast verification — percentages publish when it clears the accuracy bar.
Measuring stations
| station | airport | fog hours/yr | forecast |
|---|---|---|---|
| KNQX | Naval Air Station Key West/Boca Chica Field | 2 h/yr | verifying |
| KEYW | Key West International Airport | 1 h/yr | verifying |
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 Key West fogs in
Fog here concentrates in January and February — about 2 hours in a typical year at KNQX. Hour-by-hour patterns, live conditions and the forecast strip live on the KNQX station page.
Fog season
Key West, FL has no real fog season — dense fog is rare in every month (under 2 hours even in the peak month).
Machine access: data.json · llms.txt · forecast verification. Not for operational use.