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

41°F

5°C

Humidity 82%
Wind Speed NW 10 G 16 mph
Barometer 29.96 in (988.1 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 2 Dec 5:50 pm EST
Extended Forecast for

3 Miles WNW Marietta GA

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50. Northwest wind around 5 mph becoming calm.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of rain. Mostly cloudy, with a high near 49. Calm wind becoming northwest around 5 mph in the morning.

    High: 49 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 1am. Low around 37. Calm wind becoming east around 5 mph. Chance of precipitation is 80%.

    Low: 37 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain. High near 46. Chance of precipitation is 90%.

    High: 46 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Rain Likely

  • Saturday

    Saturday: A 40 percent chance of rain. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 26. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 50. Northwest wind around 5 mph becoming calm.
Wednesday Night
Mostly clear, with a low around 30. Calm wind.
Thursday
A 20 percent chance of rain. Mostly cloudy, with a high near 49. Calm wind becoming northwest around 5 mph in the morning.
Thursday Night
Rain, mainly after 1am. Low around 37. Calm wind becoming east around 5 mph. Chance of precipitation is 80%.
Friday
Rain. High near 46. Chance of precipitation is 90%.
Friday Night
Rain likely, mainly before 1am. Cloudy, with a low around 39. Chance of precipitation is 60%.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 52.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
A 20 percent chance of rain. Partly cloudy, with a low around 35.
Monday
A 20 percent chance of rain. Mostly sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Marietta GA
 33.97°N 84.6°W (Elev. 1001 ft)
Last Update:
5:12 pm EST Dec 2, 2025
Forecast Valid:
6pm EST Dec 2, 2025-6pm EST Dec 9, 2025
 
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