Current Weather
Raw METAR
Clouds - Visual Profile
Weather Briefing
VFRMarathon Airport is currently reporting visual flight rules (VFR) conditions with scattered clouds at 26,000 feet and 15 SM visibility. Note: This observation is 9.9 hours old and conditions may have changed.
Wind Analysis
Winds are from the west (260°) at 5 knots. Runway 34 is favored with a 1-knot headwind and 5-knot crosswind component.
Visibility & Ceiling
Visibility is 15 SM. No ceiling exists. Cloud layers reported: scattered at 26,000 ft.
Temperature & Moisture
Temperature is 10°C (50°F) with a dewpoint of 1°C, indicating moderate moisture conditions.
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.
24-Hour Weather Evolution
- • Current conditions from METAR observations
- • Historical data from past 24 hours
- • No forecast or predicted data included
- • Data updated with each new METAR report
- • Hover for exact values and timestamps
- • Click legend items to toggle data series
- • Zoom and pan for detailed analysis
- • Units automatically converted to preferences
Airport Runway Layout
Runway Information
| Runway | Length | Width | Surface | Heading | Wind Component |
|---|---|---|---|---|---|
|
✈️ 16/34
Active: 34
|
3,933 ft | 100 ft | ASP | 153° |
↑ 0.9 kt
•
↔ 4.9 kt
80° angle
|
Weather Statistics - CYSP
2,431 observations | Sep 2025 - May 2026Flight Rules Distribution
Marathon Airport is frequently affected by reduced visibility conditions, with VFR weather only 58.3% of the time and IFR/LIFR conditions occurring in 20.4% of observations. Prevailing winds are from the N averaging 7.5 knots. Temperature extremes range from -34°C to 22°C, reflecting significant seasonal variation. Fog is a notable factor, occurring in approximately 12.5% of observations, with visibility below 3 SM in 5.5% of reports. The best months for VFR flying are May, September, October.
Wind Analysis
Temperature Range
Visibility
Best Months for VFR
Runway Wind Analysis
Statistics computed from 2,431 METAR observations (Sep 2025 - May 2026). Data sourced from official aviation weather services. Updated daily.
Marathon Airport - Airport Information
Airport Details
Location
Runway Information
Flight Planning Tools
Nearby Airports
About Marathon Airport
Overview
Marathon Airport serves the remote northwestern Ontario region near the Manitoba border. Located at an elevation of 1035 ft MSL, this medium airport provides critical transportation infrastructure in a sparsely populated area. The airport supports regional connectivity and potentially serves resource exploration, medical transport, and local aviation needs.
Flying Conditions
Weather at Marathon Airport demonstrates significant variability, with visual flight rules (VFR) conditions predominating at 57% of observations. Temperature ranges extensively from -34°C to 22°C, creating challenging seasonal transitions. Winter months introduce more frequent instrument meteorological conditions, with IFR and LIFR conditions combining for nearly 20% of observations.
Notable Features
The single asphalt runway 16/34 measures 3933 feet in length, accommodating small to medium aircraft operations. Prevailing northerly winds at an average of 7.1 knots characterize local wind patterns, with occasional gusts up to 25 knots. Visibility typically remains strong, averaging 11.7 statute miles, though fog occurs in 14.8% of observations.
Approach Considerations
Runway 16/34 demonstrates favorable wind alignment, with winds compatible 100% of the time and an average crosswind of just 3.8 knots. September through November represent the most consistent VFR flying months, offering optimal approach conditions. Pilots should anticipate potential low visibility scenarios, particularly during winter and early spring periods.
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 CYSP
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.