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

60°F

16°C

Humidity 46%
Wind Speed Calm
Barometer 30.19 in (995.5 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 1 Nov 11:50 am EDT
Extended Forecast for

Marietta, Cobb County-McCollum Field Airport GA

  • This Afternoon

    This Afternoon: Sunny, with a high near 64. East wind around 5 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 62. East wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 40. North wind around 5 mph. Chance of precipitation is 50%.

    Low: 40 °F

    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 63. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 64. East wind around 5 mph.
Tonight
Mostly cloudy, with a low around 45. Calm wind.
Sunday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 62. East wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 40. North wind around 5 mph. Chance of precipitation is 50%.
Monday
Sunny, with a high near 63. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Clear, with a low around 41.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 46.
Friday
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
 33.99°N 84.6°W (Elev. 984 ft)
Last Update:
12:26 pm EDT Nov 1, 2025
Forecast Valid:
12pm EDT Nov 1, 2025-6pm EST Nov 7, 2025
 
Forecast Discussion
 
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Additional Resources

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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