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

59°F

15°C

Humidity 90%
Wind Speed SW 12 mph
Barometer 30.07 in (991.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 11 Feb 7:50 am EST
Extended Forecast for

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

  • Today

    Today: Showers, mainly before 1pm. High near 63. West wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Showers then
    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 35. North wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 59. Northwest wind around 5 mph.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61. Calm wind becoming east around 5 mph in the morning.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, mainly after 1am. Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Chance
    Showers then
    Showers

  • Sunday

    Sunday: Showers. High near 58. Chance of precipitation is 80%.

    High: 58 °F

    Showers

Detailed Forecast

Today
Showers, mainly before 1pm. High near 63. West wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Mostly clear, with a low around 35. North wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 59. Northwest wind around 5 mph.
Thursday Night
Mostly cloudy, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 61. Calm wind becoming east around 5 mph in the morning.
Friday Night
Partly cloudy, with a low around 41.
Saturday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 62.
Saturday Night
Showers, mainly after 1am. Low around 49. Chance of precipitation is 80%.
Sunday
Showers. High near 58. Chance of precipitation is 80%.
Sunday Night
A 40 percent chance of showers. Partly cloudy, with a low around 46.
Washington's Birthday
Mostly sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Partly sunny, with a high near 66.
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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:
1:27 am EST Feb 11, 2026
Forecast Valid:
8am EST Feb 11, 2026-6pm EST Feb 17, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation