Fog in Tucson, AZ
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 Tucson International Airport (KTUS). This station is in forecast verification — percentages publish when it clears the accuracy bar.
Measuring stations
| station | airport | fog hours/yr | forecast |
|---|---|---|---|
| KTUS | Tucson International Airport | 1 h/yr | verifying |
| KDMA | Davis Monthan Air Force Base | 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 Tucson fogs in
Fog here concentrates in January and February — about 1 hours in a typical year at KTUS. Hour-by-hour patterns, live conditions and the forecast strip live on the KTUS station page.
Fog season
Tucson, AZ 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.