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

61°F

16°C

Humidity 46%
Wind Speed SW 6 mph
Barometer 30.14 in (993.9 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 2 Nov 12:50 pm EST
Extended Forecast for

Marietta, Cobb County-McCollum Field Airport GA

  • This Afternoon

    This Afternoon: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 63. East wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 63 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 41. Northwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Showers
    Likely then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 40. Northwest wind around 5 mph.

    Low: 40 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. Northwest wind around 5 mph becoming southeast in the afternoon.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 63. East wind 5 to 10 mph. Chance of precipitation is 40%.
Tonight
Showers likely and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 41. Northwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 62. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Clear, with a low around 40. Northwest wind around 5 mph.
Tuesday
Sunny, with a high near 68. Northwest wind around 5 mph becoming southeast in the afternoon.
Tuesday Night
Clear, with a low around 43.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 49.
Friday
Mostly sunny, with a high near 72.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marietta, Cobb County-McCollum Field Airport GA
 34.02°N 84.6°W (Elev. 1001 ft)
Last Update:
1:16 pm EST Nov 2, 2025
Forecast Valid:
1pm EST Nov 2, 2025-6pm EST Nov 8, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation