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

60°F

16°C

Humidity 80%
Wind Speed W 5 mph
Barometer 30.18 in (995.2 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 5 Mar 3:50 am EST
Extended Forecast for

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

  • Today

    Today: Mostly sunny, with a high near 78. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. South wind around 5 mph becoming calm.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southeast wind around 5 mph. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.

    High: 77 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 78. South wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 60. South wind around 5 mph becoming calm.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southeast wind around 5 mph. Chance of precipitation is 40%.
Saturday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. South wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Sunday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 60.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 83.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 64.
Wednesday
Showers likely. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
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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:
1:26 am EST Mar 5, 2026
Forecast Valid:
4am EST Mar 5, 2026-6pm EDT Mar 11, 2026
 
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Additional Resources

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Chance of Precipitation