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

50°F

10°C

Humidity 89%
Wind Speed Calm
Barometer 30.32 in (1099.9 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 23 Dec 10:50 pm EST
Extended Forecast for

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

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. West wind around 5 mph.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 72. Northwest wind 5 to 10 mph.

    High: 72 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Christmas Day

    Christmas Day: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 73. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. West wind around 5 mph becoming calm.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 53. West wind around 5 mph.
Wednesday
Partly sunny, with a high near 72. Northwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 53. Calm wind.
Christmas Day
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 73. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 54. West wind around 5 mph becoming calm.
Friday
Partly sunny, with a high near 73.
Friday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 58.
Saturday
Mostly cloudy, with a high near 72.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 70.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 41.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Sunny, with a high near 38.
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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:
6:06 pm EST Dec 23, 2025
Forecast Valid:
11pm EST Dec 23, 2025-6pm EST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation