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 97%
Wind Speed W 5 mph
Barometer 29.99 in (988.7 mb)
Dewpoint 57°F (14°C)
Visibility 5.00 mi
Last update 7 Jan 6:50 am EST
Extended Forecast for

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

Dense Fog Advisory January 7, 07:20am until January 7, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory January 7, 07:20am until January 7, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Today

    High: 68 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 68. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 68 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Cloudy, with a low around 58. Southeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers, mainly after 1pm. Cloudy, with a high near 71. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 71 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, then showers and possibly a thunderstorm after 1am. Low around 62. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Saturday

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

    High: 67 °F

    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly before 1am. Cloudy, with a low around 40.

    Low: 40 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 68. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 49. Calm wind.
Thursday
Mostly cloudy, with a high near 68. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
A 20 percent chance of showers after 1am. Cloudy, with a low around 58. 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 71. South wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Showers likely, then showers and possibly a thunderstorm after 1am. Low around 62. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 67. Chance of precipitation is 80%.
Saturday Night
A 40 percent chance of showers, mainly before 1am. Cloudy, with a low around 40.
Sunday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 47.
Sunday Night
Mostly clear, with a low around 26.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Marietta, Cobb County-McCollum Field Airport GA
 33.99°N 84.57°W (Elev. 1129 ft)
Last Update:
6:01 am EST Jan 7, 2026
Forecast Valid:
7am EST Jan 7, 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