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

39°F

4°C

Humidity 48%
Wind Speed SW 3 mph
Barometer 30.00 in (989.5 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 25 Feb 3:50 am EST
Extended Forecast for

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

  • Today

    Today: A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 60. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 60 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 3am. Cloudy, with a low around 52. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Cloudy then
    Chance
    Showers

  • Thursday

    Thursday: Showers, mainly after 7am. High near 64. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 51. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 80%.

    Low: 51 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 65. North wind around 5 mph.

    High: 65 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 60. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A 30 percent chance of showers, mainly after 3am. Cloudy, with a low around 52. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Showers, mainly after 7am. High near 64. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm. Low around 51. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 80%.
Friday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 65. North wind around 5 mph.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 49.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 70.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 51.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 66.
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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:
1:26 am EST Feb 25, 2026
Forecast Valid:
4am EST Feb 25, 2026-6pm EST Mar 3, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation