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

68°F

20°C

Humidity 93%
Wind Speed Calm
Barometer 30.13 in (993.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 8 Oct 12:50 am EDT
Extended Forecast for

2 Miles SSE Marietta, Cobb County-McCollum Field Airport GA

  • Overnight

    Overnight: A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Partly sunny, with a high near 82. Light west wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 82 °F

    Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62. North wind around 5 mph becoming east after midnight. Winds could gust as high as 15 mph.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 70. East wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. East wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Partly sunny, with a high near 82. Light west wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 62. North wind around 5 mph becoming east after midnight. Winds could gust as high as 15 mph.
Thursday
Partly sunny, with a high near 70. East wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 53. East wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 53.
Columbus Day
Sunny, with a high near 77.
Monday Night
Clear, with a low around 54.
Tuesday
Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Marietta, Cobb County-McCollum Field Airport GA
 33.99°N 84.57°W (Elev. 1129 ft)
Last Update:
12:31 am EDT Oct 8, 2025
Forecast Valid:
12am EDT Oct 8, 2025-6pm EDT Oct 14, 2025
 
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Additional Resources

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Chance of Precipitation