KMTH· MTH· Marathon
Florida Keys Marathon International Airport
medium airport · elevation 5 ft (2 m)
11:20Z 23:05Z Day
⏎
Current METARVFR
52 min ago·20:53ZKMTH 082053Z AUTO 18006KT 10SM CLR 30/24 A2985 RMK AO2 SLP109 T03000244 55009
Wind
180° 6 kt
Visibility
10 SM
Ceiling
CLR
Temperature
30°C / 24°C
temp / dew
QNH
1011 hPa
29.85 inHg
Clouds
CLR
Weather
—
Station
KMTH
Remarks
automated station with a precipitation discriminator sea level pressure of 1010.9 HPa hourly temperature of 30.0°C and dew point of 24.4°C Decrease, then increase of 0.9 hectopascals in the past 3 hours
Active hazards (US/Canada coverage via AviationWeather.gov)AWC
SIGMET / AIRMET (0)
None active in area.
PIREPs (13)
- FL000CL3514 min agoTURB LGT
- FL030CL6015 min agoVMC
- FL180GA5C18 min agoTURB NEG · SKC 18000ft–60000ft
- FL020C68020 min agoOVC 3000ft
- FL040B73720 min ago
- FL002GA6C27 min agoTURB LGT
- FL330B75237 min agoTURB LGT
- FL024B73837 min ago
Wind & Runways
Wind arrow points downwind.
Runways
07/251526 mASP
Runway components
| Runway | Head/Tail | Crosswind |
|---|---|---|
| RWY 07/25 | TW 2 kt | XW 6 kt R |
24.7260°, -81.0514°© CARTOOpen in OSM →
Runway suitabilityconservative GA limits
| Runway | Status | HW (kt) | XW (kt) | Flags |
|---|---|---|---|---|
| RWY 07/25 (use 25) | Preferred | HW 2 | 6 L | — |
Density altitude
1,867 ft
elevation 5 ft
ISA deviation
+15.0°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
| Ident | Type | Freq | Dist (NM) | Power |
|---|---|---|---|---|
| MTH | NDB | 260 kHz | 2.5 | MEDIUM |
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
Wind7 kt
Vis14.5 km
Temp28°C
QNH1011 hPa
24-hour wind rose (IEM ASOS, 16 direction bins)n=314
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 2026/10/08 21:06 UTC
09/00Z
09/06Z
09/12Z
09/18Z
BASEVFR
FMVFR
VFRBASE08/21Z → 09/00Z1705KT · 6 SM · FEW020
Wind: 1705KT
Visibility: 6 SM
Clouds: FEW020
TAF AMD KMTH 082105Z 0821/0918 17005KT P6SM FEW020
VFRFM09/00Z → 09/18Z1405KT · 6 SM · SCT025
Wind: 1405KT
Visibility: 6 SM
Clouds: SCT025
FM090000 14005KT P6SM SCT025
Raw TAF
TAF AMD KMTH 082105Z 0821/0918 17005KT P6SM FEW020 FM090000 14005KT P6SM SCT025
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