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.

Fair

73°F

23°C

Humidity 62%
Wind Speed W 6 mph
Barometer 30.01 in (989.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 27 Dec 4:50 pm EST
Extended Forecast for

3 Miles WNW Marietta GA

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers between 9am and 3pm. Mostly cloudy, with a high near 71. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely after 1am. Mostly cloudy, with a low around 45. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 45 °F

    Mostly Cloudy
    then Showers
    Likely

  • Monday

    Monday: A 40 percent chance of showers before 1pm. Mostly sunny, with a high near 53. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 53 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 23. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Wednesday Night

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

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 59. Calm wind.
Sunday
A slight chance of showers between 9am and 3pm. Mostly cloudy, with a high near 71. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Sunday Night
Showers likely after 1am. Mostly cloudy, with a low around 45. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Monday
A 40 percent chance of showers before 1pm. Mostly sunny, with a high near 53. Northwest wind around 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 23. Northwest wind around 15 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 39.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Sunny, with a high near 47.
Wednesday Night
Mostly clear, with a low around 30.
New Year's Day
Sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 50.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 34.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Marietta GA
 33.97°N 84.57°W (Elev. 1096 ft)
Last Update:
1:16 pm EST Dec 27, 2025
Forecast Valid:
5pm EST Dec 27, 2025-6pm EST Jan 3, 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