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.

Mostly Cloudy

71°F

22°C

Humidity 71%
Wind Speed SW 8 mph
Barometer 30.06 in (991.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 27 Dec 11:50 am EST
Extended Forecast for

3 Miles WNW Marietta GA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 73. West wind around 5 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers between 1pm 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.

    High: 71 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely after 1am. Mostly cloudy, with a low around 48. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 48 °F

    Mostly Cloudy
    then Showers
    Likely

  • Monday

    Monday: A 40 percent chance of showers before 1pm. Mostly sunny, with a high near 60. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 60 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 40.

    High: 40 °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

Detailed Forecast

This Afternoon
Partly sunny, with a high near 73. West wind around 5 mph.
Tonight
Mostly cloudy, with a low around 58. Calm wind.
Sunday
A 20 percent chance of showers between 1pm 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.
Sunday Night
Showers likely after 1am. Mostly cloudy, with a low around 48. 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 60. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 23.
Tuesday
Sunny, with a high near 40.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Sunny, with a high near 47.
Wednesday Night
Mostly clear, with a low around 28.
New Year's Day
Sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 46.
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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:
11:47 am EST Dec 27, 2025
Forecast Valid:
12pm EST Dec 27, 2025-6pm EST Jan 2, 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