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.

Fair

26°F

-3°C

Humidity 55%
Wind Speed Calm
Barometer 30.04 in (991.1 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 15 Jan 9:50 pm EST
Extended Forecast for

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

  • Tonight

    Tonight: Clear, with a low around 21. Northwest wind around 5 mph becoming calm in the evening.

    Low: 21 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 50. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 39. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 39 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 49. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 27. Northwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 21. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 50. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 39. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 49. West wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 27. Northwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 22.
M.L.King Day
Sunny, with a high near 43.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Sunny, with a high near 37.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 31.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...
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:
1:16 pm EST Jan 15, 2026
Forecast Valid:
10pm EST Jan 15, 2026-6pm EST Jan 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation