National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Fair

41°F

5°C

Humidity 67%
Wind Speed NW 8 mph
Barometer 30.17 in (995.2 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 3 Dec 10:50 am EST
Extended Forecast for

2 Miles SSE Marietta, Cobb County-McCollum Field Airport GA

  • Today

    Today: Mostly sunny, with a high near 48. North wind around 5 mph becoming calm.

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 48. Calm wind becoming northwest around 5 mph in the morning.

    High: 48 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers, mainly after 1am. Low around 37. Calm wind becoming east around 5 mph. Chance of precipitation is 80%.

    Low: 37 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers. High near 44. East wind 5 to 10 mph. Chance of precipitation is 90%.

    High: 44 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 1am. Cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers. Partly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 48. North wind around 5 mph becoming calm.
Tonight
Mostly clear, with a low around 30. Calm wind.
Thursday
A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 48. Calm wind becoming northwest around 5 mph in the morning.
Thursday Night
Showers, mainly after 1am. Low around 37. Calm wind becoming east around 5 mph. Chance of precipitation is 80%.
Friday
Showers. High near 44. East wind 5 to 10 mph. Chance of precipitation is 90%.
Friday Night
Showers likely, mainly before 1am. Cloudy, with a low around 39. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 51.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 38.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 52.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Mostly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Marietta, Cobb County-McCollum Field Airport GA
 33.99°N 84.57°W (Elev. 1129 ft)
Last Update:
9:12 am EST Dec 3, 2025
Forecast Valid:
11am EST Dec 3, 2025-6pm EST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation