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.

Fog/Mist

58°F

14°C

Humidity 93%
Wind Speed SW 6 mph
Barometer 29.95 in (987.6 mb)
Dewpoint 56°F (13°C)
Visibility 6.00 mi
Last update 6 Jan 5:50 pm EST
Extended Forecast for

Marietta, Cobb County-McCollum Field Airport GA

  • Tonight

    Tonight: A 20 percent chance of showers before 7pm. Mostly cloudy, with a low around 51. Southwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 51 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 69. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 69 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 57. Southeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers, mainly after 1pm. Cloudy, with a high near 72.

    High: 72 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, with thunderstorms also possible after 1am. Cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers before 7pm. Mostly cloudy, with a low around 51. Southwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Wednesday
Partly sunny, with a high near 67. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 48. Calm wind.
Thursday
Mostly cloudy, with a high near 69. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 57. Southeast wind around 5 mph, with gusts as high as 15 mph.
Friday
A 40 percent chance of showers, mainly after 1pm. Cloudy, with a high near 72.
Friday Night
Showers likely, with thunderstorms also possible after 1am. Cloudy, with a low around 60. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm. High near 67. Chance of precipitation is 80%.
Saturday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marietta, Cobb County-McCollum Field Airport GA
 34.02°N 84.6°W (Elev. 1001 ft)
Last Update:
4:52 pm EST Jan 6, 2026
Forecast Valid:
6pm EST Jan 6, 2026-6pm EST Jan 13, 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