National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Mostly Cloudy

75°F

24°C

Humidity 58%
Wind Speed W 12 mph
Barometer 29.98 in (988.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 22 Nov 3:50 pm EST
Extended Forecast for

Marietta, Cobb County-McCollum Field Airport GA

  • Tonight

    Tonight: Mostly clear, with a low around 51. West wind around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Northwest wind 5 to 10 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. Northwest wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 70. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 55. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 71. Chance of precipitation is 70%.

    High: 71 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 57. Chance of precipitation is 90%.

    Low: 57 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 51. West wind around 5 mph.
Sunday
Sunny, with a high near 69. Northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 43. Northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 70. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 55. Southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 71. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 57. Chance of precipitation is 90%.
Wednesday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 34.
Thanksgiving Day
Sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 29.
Saturday
Sunny, with a high near 54.
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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:
1:16 pm EST Nov 22, 2025
Forecast Valid:
4pm EST Nov 22, 2025-6pm EST Nov 29, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation