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METAR · TAF · OPMET
KMTH· MTH· Marathon

Florida Keys Marathon International Airport

medium airport · elevation 5 ft (2 m)
11:03Z 23:52Z Day
Current METARVFR
51 min ago·16:53Z
KMTH 241653Z AUTO 13007KT 10SM CLR 31/23 A3005 RMK AO2 SLP175 T03110233
Wind
130° 7 kt
Visibility
10 SM
Ceiling
CLR
Temperature
31°C / 23°C
temp / dew
QNH
1018 hPa
30.05 inHg
Clouds
CLR
Weather
Station
KMTH
Remarks
automated station with a precipitation discriminator sea level pressure of 1017.5 HPa hourly temperature of 31.1°C and dew point of 23.3°C
Active hazards (US/Canada coverage via AviationWeather.gov)AWC
SIGMET / AIRMET (1)
  • SIGMETCONVECTIVESEV
    24 16:55Z24 18:55Z
    SFC – 43,000 ft
PIREPs (4)
  • FL190A319
    17 min ago
    TURB NEG
  • FL190G280
    19 min ago
  • FL040BE30
    24 min ago
    SKC 4000ft–60000ft
  • FL040B39M
    25 min ago
    SKC 4000ft–60000ft
Wind & Runways
NESW7 kt130°
Wind arrow points downwind.
Runways
07/251526 mASP
Runway components
RunwayHead/TailCrosswind
RWY 07/25HW 3 ktXW 6 kt R
24.7260°, -81.0514°© CARTOOpen in OSM →
Runway suitabilityconservative GA limits
RunwayStatusHW (kt)XW (kt)Flags
RWY 07/25 (use 07)PreferredHW 36 R
Density altitude
1,798 ft
elevation 5 ft
ISA deviation
+16.0°C
large deviation
Frequencies (community-maintained, cross-check AIP)KMTH
  • ASOS135.525
  • CNTRMIAMI CNTR133.500
  • RDOMIAMI RDO122.600
  • UNICCTAF/UNICOM122.800
Navaids near airportwithin 30 NM
IdentTypeFreqDist (NM)Power
MTHNDB260 kHz2.5MEDIUM
Runways1

Physical runway length only — TORA/LDA are not declared in our reference database; consult the AIP.

  • RWY 07/255,008 ft (1,526 m)
    Surface
    ASP
    Lighting
    Lit
    ILS
24-hour trend (Iowa State IEM)KMTH
Wind0 kt
Vis16.1 km
Temp31°C
QNH1016 hPa
24-hour wind rose (IEM ASOS, 16 direction bins)n=312
NESWCALM3%
3–6 kt
6–10 kt
10–16 kt
16–22 kt
>22 kt
Airport diagram (OpenStreetMap)Florida Keys Marathon International Airport
Diagram unavailable for Florida Keys Marathon International Airport.
Terminal Aerodrome Forecast
Issued 2026/08/24 18:42 UTC
VFRBASE24/18Z → 25/18Z1507KT · 6 SM · SCT025
Wind: 1507KT
Visibility: 6 SM
Clouds: SCT025
TAF KMTH 241740Z 2418/2518 15007KT P6SM SCT025
Raw TAF
TAF KMTH 241740Z 2418/2518 15007KT P6SM SCT025
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