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

30°F

-1°C

Humidity 96%
Wind Speed Calm
Barometer 30.16 in (995.0 mb)
Dewpoint 29°F (-2°C)
Visibility 8.00 mi
Last update 4 Dec 4:50 am EST
Extended Forecast for

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

  • Today

    Today: A 30 percent chance of showers, mainly between 1pm and 5pm. Increasing clouds, with a high near 47. Calm wind becoming west around 5 mph in the morning.

    High: 47 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tonight

    Tonight: Showers, mainly after 11pm. Low around 38. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers
    Likely then
    Showers

  • Friday

    Friday: Showers, mainly before 1pm. High near 47. East wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers. Cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers. Cloudy, with a high near 50. Calm wind becoming west around 5 mph.

    High: 50 °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 40 percent chance of showers. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance
    Showers

  • Sunday Night

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

    Low: 40 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 48.

    High: 48 °F

    Slight Chance
    Showers

Detailed Forecast

Today
A 30 percent chance of showers, mainly between 1pm and 5pm. Increasing clouds, with a high near 47. Calm wind becoming west around 5 mph in the morning.
Tonight
Showers, mainly after 11pm. Low around 38. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Showers, mainly before 1pm. High near 47. East wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 30 percent chance of showers. Cloudy, with a low around 40. Calm wind.
Saturday
A 40 percent chance of showers. Cloudy, with a high near 50. Calm wind becoming west around 5 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 38.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 52.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 40.
Monday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Mostly sunny, with a high near 55.
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Forecast Area
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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:
1:16 am EST Dec 4, 2025
Forecast Valid:
5am EST Dec 4, 2025-6pm EST Dec 10, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation