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

41°F

5°C

Humidity 96%
Wind Speed Calm
Barometer 30.13 in (993.6 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 5 Jan 3:50 am EST
Extended Forecast for

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

Dense Fog Advisory January 5, 04:29am until January 5, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory January 5, 04:29am until January 5, 10:00am

    NOW until 10:00am Mon

    Dense Fog Advisory

  • Today

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. South wind around 5 mph becoming calm.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 65. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 52. Southwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 69. Calm wind becoming west around 5 mph in the afternoon.

    High: 69 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after 1am. Cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, partly sunny, with a high near 62. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 45. South wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 65. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 52. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 69. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
Mostly cloudy, with a high near 70.
Thursday Night
A 30 percent chance of showers, mainly after 1am. Cloudy, with a low around 57.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 71.
Friday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 50. Chance of precipitation is 70%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 58.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Marietta, Cobb County-McCollum Field Airport GA
 34.04°N 84.57°W (Elev. 1001 ft)
Last Update:
4:12 am EST Jan 5, 2026
Forecast Valid:
4am EST Jan 5, 2026-6pm EST Jan 11, 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