Aeronuvia
VFR · Visual Flight Rules

Florida Keys Marathon International Airport

Regional Airport · Marathon, FL, United States

Conditions are good for visual flight at Florida Keys Marathon International Airport. It's 84°F (feels like 89°F) with 65% humidity. Winds from 150° at 6 kt. Skies are clear.

ICAOKMTHIATAMTHLOCALMTH
Zulu · UTC--:--:--Aviation standard time
Local · UTC-5--:--:--Approx. (from longitude)
Elevation5ft2 m
Longest runway5,008ft1,526 m
Runways11 lighted
Coordinates24.73, -81.0524°43'33.6"N 81°03'05.0"W
ClassRegionalNo scheduled service

Current weather

1 h 2 min ago
84°F28.9°C · Dew 71°FFeels like 89°FVFR — Visual Flight Rules
NESW150° @ 6 kt
  • Visibility10+ sm
  • CeilingSky clear
  • Humidity65%
  • Altimeter29.97 inHg
  • Pressure1015 hPa
  • GustsNone

Conditions are good for visual flight at Florida Keys Marathon International Airport. It's 84°F (feels like 89°F) with 65% humidity. Winds from 150° at 6 kt. Skies are clear.

METAR observation

Live
RAWMETAR KMTH 281753Z AUTO 15006KT 10SM CLR 29/22 A2997 RMK AO2 SLP147 T02890217 10294 20267 58004
Decoded — plain language
Wind150° @ 6 kt
Visibility10+ sm
Temperature84°F / 28.9°C
Dew point71°F · 65% RH
Altimeter29.97 inHg
CeilingSky clear
Flight categoryVFR — Visual Flight Rules
SkyClear

Observed 28 Sep 2026 17:53Z·Marathon Arpt, FL, US·1 h 2 min ago

Forecast

TAF
Valid Mon 18:00Z – Tue 18:00Z
  1. InitialMon 18:00Zuntil Tue 08:00Z
    VFRWind190° @ 3 ktVis6+ smSkyScattered 3,500′
    Now
  2. FromTue 08:00Zuntil Tue 16:00Z
    VFRWind170° @ 4 ktVis6+ smSkyScattered 3,500′WeatherThunderstorm in the vicinity
  3. FromTue 16:00Zuntil Tue 18:00Z
    VFRWind100° @ 9 ktVis6+ smSkyScattered 3,500′, Overcast 15,000′WeatherThunderstorm in the vicinity
RAWTAF KMTH 281727Z 2818/2918 19003KT P6SM SCT035 FM290800 17004KT P6SM VCTS SCT035CB FM291600 10009KT P6SM VCTS SCT035CB OVC150

Issued 28 Sep 2026 17:27Z·NOAA / NWS Aviation Weather Center

Runway winds

07/25
NESW
07
Headwind1 kt
Crosswind6 kt from R
★ Best
25
Tailwind1 kt
Crosswind6 kt from L
Wind components are computed from the reported surface wind and true runway headings. Actual runway selection is made by the airport and ATC — always consult official information.

Runways

1 total
07/25◐ lit
5,008 ft1,526 × 100 ft · Asphalt

Radio frequencies

4 listed
ASOS135.525
UNICOM122.80CTAF/UNICOM
Radio / FSS122.60MIAMI RDO
Center133.50MIAMI CNTR
Frequencies (MHz) come from the OurAirports community dataset and can lag official changes. Confirm against the current chart supplement or AIP before flight.