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

56°F

13°C

Humidity 81%
Wind Speed W 3 mph
Barometer 30.29 in (1098.8 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 24 Dec 2:50 am EST
Extended Forecast for

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

  • Overnight

    Overnight: 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: Mostly cloudy, with a low around 53. Calm wind becoming west around 5 mph.

    Low: 53 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 72. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 55. West wind around 5 mph.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Friday Night

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

    Low: 58 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 73.

    High: 73 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Overnight
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
Mostly cloudy, with a low around 53. Calm wind becoming west around 5 mph.
Christmas Day
Partly sunny, with a high near 72. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 55. West wind around 5 mph.
Friday
Partly sunny, with a high near 72.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 58.
Saturday
Mostly cloudy, with a high near 73.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 71.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 44.
Monday Night
Mostly clear, with a low around 20.
Tuesday
Sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Marietta, Cobb County-McCollum Field Airport GA
 33.97°N 84.57°W (Elev. 1096 ft)
Last Update:
1:16 am EST Dec 24, 2025
Forecast Valid:
3am EST Dec 24, 2025-6pm EST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation