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.

Overcast

43°F

6°C

Humidity 68%
Wind Speed NW 6 mph
Barometer 30.14 in (994.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 4 Dec 2:50 pm EST
Extended Forecast for

5 Miles SSW Marietta, Cobb County-McCollum Field Airport GA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers before 4pm. Cloudy, with a high near 47. West wind around 5 mph becoming calm.

    High: 47 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers, mainly after 10pm. 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

  • Friday

    Friday: Showers likely, mainly before 1pm. Cloudy, with a high near 49. Calm wind becoming east around 5 mph. Chance of precipitation is 60%.

    High: 49 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers after 7pm. 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 51. Calm wind becoming west around 5 mph.

    High: 51 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 49.

    High: 49 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers before 4pm. Cloudy, with a high near 47. West wind around 5 mph becoming calm.
Tonight
Showers, mainly after 10pm. Low around 38. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Showers likely, mainly before 1pm. Cloudy, with a high near 49. Calm wind becoming east around 5 mph. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers after 7pm. Cloudy, with a low around 40. Calm wind.
Saturday
A 40 percent chance of showers. Cloudy, with a high near 51. Calm wind becoming west around 5 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 36.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 52.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 38.
Monday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly clear, with a low around 32.
Wednesday
Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Marietta, Cobb County-McCollum Field Airport GA
 33.95°N 84.63°W (Elev. 1001 ft)
Last Update:
1:16 pm EST Dec 4, 2025
Forecast Valid:
3pm 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