KMIA — Miami International Airport

fog forecast & climatology · Miami city page · full 10-year analysis →
No fog signal in NWS guidance for the next 48 hours. dense fog (visibility under a mile) is rare here in September.forecast cycle 2026-09-04T13:00:00Z · page rebuilt daily · live layers below update hourly

Fog hours per year
4 h below CAT I minima (2016–2026 average)
Fog season
February and January
Typical fog event
~1 h once it forms (middle half 1–2 h, n=25)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year Miami International Airport spends 4 hours below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), concentrated in February and January. The strip above shows the hour-by-hour pattern for the current month from ten years of weather observations.

Fog season

January: ~1 hJanFebruary: ~1 hFebMarch: ~0 hMarApril: ~0 hAprMay: ~0 hMayJune: ~0 hJunJuly: ~0 hJulAugust: ~0 hAugSeptember: ~0 hSepOctober: ~0 hOctNovember: ~0 hNovDecember: ~0 hDec
Miami International Airport has no real fog season — dense fog is rare in every month (under 2 hours even in the peak month).

Runway infrastructure

endapproach lightsbest approachlengthRVR
08LLPV8,600 ft
26RLPV8,600 ft
08RMALSRCAT I10,506 ftRVR
26LMALSFCAT I10,506 ftRVR
09MALSRCAT I13,016 ftRVR
27MALSRCAT I13,016 ftRVR
12MALSRCAT I9,360 ftRVR
30MALSCAT I9,360 ftRVR

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.