National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Partly Cloudy

77°F

25°C

Humidity 62%
Wind Speed E 10 mph
Barometer 30.08 in (991.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 29 Sep 4:50 pm EDT
Extended Forecast for

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

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. East wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 65 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 82. Northeast wind around 5 mph.

    High: 82 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62. Northeast wind around 5 mph.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. East wind 5 to 10 mph.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. East wind around 5 mph, with gusts as high as 15 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 65. East wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
A 10 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 82. Northeast wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 62. Northeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 83. East wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 60. East wind around 5 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Marietta, Cobb County-McCollum Field Airport GA
 34.01°N 84.54°W (Elev. 997 ft)
Last Update:
2:16 pm EDT Sep 29, 2025
Forecast Valid:
5pm EDT Sep 29, 2025-6pm EDT Oct 6, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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