National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Overcast

51°F

11°C

Humidity 89%
Wind Speed Vrbl 5 mph
Barometer 30.05 in (991.0 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 6 Jan 1:50 am EST
Extended Forecast for

4 Miles NE Marietta, Cobb County-McCollum Field Airport GA

  • Overnight

    Overnight: Mostly cloudy, with a low around 46. Calm wind becoming south around 5 mph.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, with a high near 64. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 64 °F

    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 51. Southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 51 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68. Calm wind becoming west around 5 mph in the afternoon.

    High: 68 °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.

    High: 69 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after 1am. Cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 1pm. Cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 54. Chance of precipitation is 70%.

    Low: 54 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 46. Calm wind becoming south around 5 mph.
Tuesday
Cloudy, with a high near 64. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 51. Southwest wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Partly sunny, with a high near 68. Calm wind becoming west 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.
Thursday Night
A 30 percent chance of showers, mainly after 1am. Cloudy, with a low around 58.
Friday
Showers likely, mainly after 1pm. Cloudy, with a high near 70. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 54. Chance of precipitation is 70%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 61.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 35.
Sunday
A 20 percent chance of showers. Sunny, with a high near 46.
Sunday Night
Mostly clear, with a low around 27.
Monday
Sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Marietta, Cobb County-McCollum Field Airport GA
 34.06°N 84.57°W (Elev. 1024 ft)
Last Update:
1:16 am EST Jan 6, 2026
Forecast Valid:
1am EST Jan 6, 2026-6pm EST Jan 12, 2026
 
Forecast Discussion
 
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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