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

32°F

0°C

Humidity 75%
Wind Speed Calm
Barometer 30.39 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 28 Nov 11:50 pm EST
Extended Forecast for

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

  • Overnight

    Overnight: Partly cloudy, with a low around 28. Calm wind becoming east around 5 mph.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 38. East wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly between 7am and 1pm. Cloudy, with a high near 50. Southeast wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 60%.

    High: 50 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 30. Northwest wind around 5 mph.

    Low: 30 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Showers. The rain could be heavy at times. Low around 38. Chance of precipitation is 90%.

    Low: 38 °F

    Showers
    Likely then
    Heavy Rain

  • Tuesday

    Tuesday: Showers, mainly before 1pm. High near 48. Chance of precipitation is 90%.

    High: 48 °F

    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 28. Calm wind becoming east around 5 mph.
Saturday
Mostly sunny, with a high near 50. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 38. East wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Showers likely, mainly between 7am and 1pm. Cloudy, with a high near 50. Southeast wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 30. Northwest wind around 5 mph.
Monday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 49.
Monday Night
Showers. The rain could be heavy at times. Low around 38. Chance of precipitation is 90%.
Tuesday
Showers, mainly before 1pm. High near 48. Chance of precipitation is 90%.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Sunny, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Partly sunny, with a high near 52.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 36.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 52.
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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:
12:11 am EST Nov 29, 2025
Forecast Valid:
12am EST Nov 29, 2025-6pm EST Dec 5, 2025
 
Forecast Discussion
 
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Additional Resources

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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