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

Hazardous Weather Conditions

Current conditions at

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Fair

57°F

14°C

Humidity 93%
Wind Speed Calm
Barometer 30.06 in (1016.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 7 Oct 4:50 am EDT
Extended Forecast for

Marietta, Cobb County-McCollum Field Airport GA

  • Today

    Today: Sunny, with a high near 82. East wind around 5 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 55. Calm wind.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 82. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm. High near 73. Chance of precipitation is 80%.

    High: 73 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 90%.

    Low: 61 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 82. East wind around 5 mph.
Tonight
Clear, with a low around 55. Calm wind.
Thursday
Sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 60. Calm wind.
Friday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 82. East wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 73. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 90%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 60.
Columbus Day
A 10 percent chance of showers. Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marietta, Cobb County-McCollum Field Airport GA
 33.99°N 84.6°W (Elev. 984 ft)
Last Update:
3:31 am EDT Oct 7, 2026
Forecast Valid:
5am EDT Oct 7, 2026-6pm EDT Oct 13, 2026
 
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