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

19°F

-7°C

Humidity 84%
Wind Speed Calm
Barometer 30.06 in (991.8 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 16 Jan 6:50 am EST
Extended Forecast for

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

  • Today

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

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Showers likely, mainly after 1am. Mostly cloudy, with a low around 39. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Partly 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: Mostly cloudy, with a low around 27. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 38. West wind around 10 mph, with gusts as high as 20 mph.

    High: 38 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 25.

    Low: 25 °F

    Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 50. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Showers likely, mainly after 1am. Mostly cloudy, with a low around 39. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 49. West wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 27. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny, with a high near 38. West wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 25.
M.L.King Day
Sunny, with a high near 44.
Monday Night
Mostly clear, with a low around 20.
Tuesday
Sunny, with a high near 39.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Sunny, with a high near 52.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 34.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 56.
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:
6:21 am EST Jan 16, 2026
Forecast Valid:
7am EST Jan 16, 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