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.

Mostly Cloudy

48°F

9°C

Humidity 63%
Wind Speed Vrbl 5 mph
Barometer 30.10 in (992.9 mb)
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 8 Dec 3:50 pm EST
Extended Forecast for

4 Miles E Marietta, Cobb County-McCollum Field Airport GA

  • Tonight

    Tonight: Partly cloudy, with a low around 28. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. Calm wind becoming south around 5 mph in the afternoon.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 32. Calm wind becoming south around 5 mph after midnight.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 58. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 28. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.
Tuesday
Mostly sunny, with a high near 49. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 32. Calm wind becoming south around 5 mph after midnight.
Wednesday
Sunny, with a high near 58. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 34. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Marietta, Cobb County-McCollum Field Airport GA
 34.01°N 84.54°W (Elev. 997 ft)
Last Update:
1:16 pm EST Dec 8, 2025
Forecast Valid:
4pm EST Dec 8, 2025-6pm EST Dec 15, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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