Current Weather
Raw METAR
Weather Briefing
VFRCobb County International Airport-McCollum Field is currently reporting visual flight rules (VFR) conditions with clear skies and 10 SM visibility.
Wind Analysis
Winds are calm, presenting no crosswind concerns for any runway.
Visibility & Ceiling
Visibility is 10 SM. Skies are clear with unlimited ceiling.
Temperature & Moisture
Temperature is 22°C (72°F) with a dewpoint of 21°C. The temperature-dewpoint spread is very narrow, indicating saturated or near-saturated air. Fog formation or low cloud development is likely.
Forecast Outlook
The TAF forecast covers the next 24 hours. Conditions are expected to fluctuate between VFR and MVFR. VFR pilots should be prepared for deteriorating conditions. Expected weather includes: Light Thunderstorm Rain. There is a 30% probability of MVFR conditions with Light Thunderstorm Rain between 19:00Z and 23:00Z.
Pilot Recommendations
Conditions are favorable for visual flight. The narrow temperature-dewpoint spread creates risk of fog formation, particularly during evening and early morning hours. The forecast indicates conditions may deteriorate. Ensure you have fuel reserves and a viable alternate airport.
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 |
|---|---|---|---|---|---|
| 09/27 | 6,305 ft | 75 ft | ASP | 88° |
↑ 0.0 kt
•
↔ 0.0 kt
88° angle
|
Weather Statistics - KRYY
8,111 observations | Sep 2025 - Jul 2026Flight Rules Distribution
Cobb County International Airport-McCollum Field typically experiences VFR conditions 72% of the time, though instrument-rated pilots will find IFR weather present approximately 13.9% of observations. Prevailing winds are from the W averaging 6.7 knots. Calm conditions occur 33.7% of the time. Temperature extremes range from -12°C to 35°C, reflecting significant seasonal variation. The best months for VFR flying are July, October, September.
Wind Analysis
Temperature Range
Visibility
Best Months for VFR
Runway Wind Analysis
Statistics computed from 8,111 METAR observations (Sep 2025 - Jul 2026). Data sourced from official aviation weather services. Updated daily.
Cobb County International Airport-McCollum Field - Airport Information
Airport Details
Location
Runway Information
Flight Planning Tools
Nearby Airports
About Cobb County International Airport-McCollum Field
Overview
Cobb County International Airport-McCollum Field serves the metropolitan Atlanta area as a medium-sized airport located at 1040 feet mean sea level. Situated at coordinates 34.013160, -84.597210, the airport provides critical general aviation infrastructure for the northwestern suburban region of Atlanta.
Flying Conditions
Weather conditions at McCollum Field predominantly support visual flight rules (VFR), with 70.7% of observations indicating clear conditions. Pilots can expect significant seasonal variability, with temperatures ranging from -8°C to 32°C and average temperatures around 13.1°C. October, September, and November consistently offer the most favorable flying conditions.
Notable Features
The airport features a single runway (09/27) extending 6,305 feet with an asphalt surface. Wind patterns are predominantly western, averaging 6.6 knots with calm conditions occurring 35.7% of the time. The runway alignment demonstrates excellent wind compatibility, with 100% favorable wind coverage and an average crosswind component of just 2.9 knots.
Approach Considerations
Visibility at McCollum Field averages 9.3 statute miles, with only 2.4% of observations reporting visibility below 3 miles. Pilots should anticipate potential reduced visibility during 1% of observations with fog present. The consistent western winds and long runway provide reliable approach and departure conditions for most aircraft operations.
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 KRYY
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.