Current Weather
Raw METAR
Clouds - Visual Profile
Weather Briefing
VFRThe Florida Keys Marathon Airport is currently reporting visual flight rules (VFR) conditions with few clouds at 4,400 feet and 10 SM visibility.
Wind Analysis
Winds are from the east (80°) at 13 knots. Runway 07/25 is favored with a 13-knot headwind and 2-knot crosswind component.
Visibility & Ceiling
Visibility is 10 SM. No ceiling exists. Cloud layers reported: few at 4,400 ft.
Temperature & Moisture
Temperature is 23°C (73°F) with a dewpoint of 13°C, indicating moderate moisture conditions.
Forecast Outlook
The TAF forecast covers the next 21 hours. Conditions are expected to remain VFR throughout the forecast period.
Pilot Recommendations
Conditions are favorable for visual flight.
This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.
Forecast (TAF)
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Airport Runway Layout
Runway Information
| Runway | Length | Width | Surface | Heading | Wind Component |
|---|---|---|---|---|---|
|
✈️ 07/25
Active: 07
|
5,008 ft | 100 ft | ASP | 67° |
↑ 12.8 kt
•
↔ 2.3 kt
10° angle
|
Weather Statistics - KMTH
5,841 observations | Sep 2025 - Apr 2026Flight Rules Distribution
The Florida Keys Marathon Airport enjoys predominantly VFR conditions, with visual flight rules prevailing 87.1% of the time. Prevailing winds are from the E averaging 8.1 knots. Temperatures typically range between 10°C and 32°C with an average of 23.9°C. The best months for VFR flying are February, November, December.
Wind Analysis
Temperature Range
Visibility
Best Months for VFR
Runway Wind Analysis
Statistics computed from 5,841 METAR observations (Sep 2025 - Apr 2026). Data sourced from official aviation weather services. Updated daily.
The Florida Keys Marathon Airport - Airport Information
Airport Details
Location
Runway Information
Flight Planning Tools
Nearby Airports
About The Florida Keys Marathon Airport
Overview
The Florida Keys Marathon Airport (KMTH) serves as a critical aviation hub in the Middle Keys region of Florida. Located at coordinates 24.726101, -81.051399, the medium-sized airport sits at a low elevation of 5 feet mean sea level. Its strategic position supports general aviation, regional transportation, and emergency services in the Marathon area.
Flying Conditions
Weather conditions at KMTH are predominantly favorable for visual flight rules (VFR), with 86.9% of observations reporting VFR conditions. The prevailing winds from the northeast (45°) average 7.4 knots, with temperatures ranging from 11°C to 32°C and an average of 24.7°C. November, January, and December offer the most consistently good flying weather, with minimal instances of low instrument meteorological conditions.
Notable Features
The airport features a single runway (07/25) measuring 5,008 feet with an asphalt surface. Its low elevation and coastal location in the Florida Keys create unique environmental conditions, with generally excellent visibility averaging 9.8 statute miles. Wind patterns are remarkably consistent, with the runway experiencing favorable wind conditions 100% of the time and an average crosswind of just 3.8 knots.
Approach Considerations
Runway 07/25 is optimally aligned with prevailing winds, providing pilots with consistent wind conditions for approaches and departures. The airport experiences calm winds 11% of the time, with maximum recorded winds of 29 knots. Pilots should anticipate stable approach conditions, particularly during the peak VFR months of late fall and winter.
Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.
Learn More
Recommended guides based on current conditions at KMTH
Official Data Sources
Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.