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

43°F

6°C

Humidity 68%
Wind Speed NW 5 mph
Barometer 30.14 in (994.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 3 Dec 5:50 pm EST
Extended Forecast for

3 Miles WNW Marietta GA

  • Tonight

    Tonight: Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers 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 Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers, mainly after 1am. Low around 37. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers. High near 46. East wind around 5 mph. Chance of precipitation is 90%.

    High: 46 °F

    Showers

  • Friday Night

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

    Low: 39 °F

    Showers
    Likely

  • Saturday

    Saturday: A 40 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 30 percent chance of showers. Partly sunny, with a high near 54.

    High: 54 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 30. Calm wind.
Thursday
A 20 percent chance of showers 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 after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Showers. High near 46. East wind around 5 mph. Chance of precipitation is 90%.
Friday Night
Showers likely, mainly before 1am. Cloudy, with a low around 39. Calm wind. Chance of precipitation is 60%.
Saturday
A 40 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 30 percent chance of showers. Partly sunny, with a high near 54.
Sunday Night
A slight chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Mostly clear, with a low around 31.
Wednesday
Sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Marietta GA
 33.97°N 84.6°W (Elev. 1001 ft)
Last Update:
6:16 pm EST Dec 3, 2025
Forecast Valid:
6pm EST Dec 3, 2025-6pm EST Dec 10, 2025
 
Forecast Discussion
 
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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