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.

Partly Cloudy

55°F

13°C

Humidity 67%
Wind Speed Calm
Barometer 30.13 in (993.5 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 19 Nov 5:50 am EST
Extended Forecast for

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

  • Today

    Today: Partly sunny, with a high near 75. West wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 75 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 77. Calm wind becoming west around 5 mph.

    High: 77 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 76. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 76 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Partly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 75. West wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Mostly cloudy, with a low around 56. Calm wind.
Thursday
Partly sunny, with a high near 77. Calm wind becoming west around 5 mph.
Thursday Night
Mostly cloudy, with a low around 58. Calm wind.
Friday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 76. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Mostly cloudy, with a low around 51.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 69.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 51.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 67.
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Forecast Area
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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:
6:01 am EST Nov 19, 2025
Forecast Valid:
6am EST Nov 19, 2025-6pm EST Nov 25, 2025
 
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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