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

58°F

14°C

Humidity 93%
Wind Speed Vrbl 7 mph
Barometer 29.89 in (985.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 30 Apr 8:50 am EDT
Extended Forecast for

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

  • Today

    Today: Partly sunny, with a high near 72. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. North wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 70. Northeast wind around 5 mph.

    High: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers, mainly after 8pm. Low around 50. Northwest wind around 5 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Showers

  • Saturday

    Saturday: Showers, mainly before 8am. High near 64. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 64 °F

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 72. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 52. North wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 70. Northeast wind around 5 mph.
Friday Night
Showers, mainly after 8pm. Low around 50. Northwest wind around 5 mph. Chance of precipitation is 80%.
Saturday
Showers, mainly before 8am. High near 64. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Sunny, with a high near 68.
Sunday Night
Clear, with a low around 46.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 79.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 58.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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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:
2:26 am EDT Apr 30, 2026
Forecast Valid:
9am EDT Apr 30, 2026-6pm EDT May 6, 2026
 
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