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

44°F

7°C

Humidity 68%
Wind Speed Calm
Barometer 30.18 in (995.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 10 Feb 1:50 am EST
Extended Forecast for

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

  • Overnight

    Overnight: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 71. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 55. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely before 1pm. Mostly cloudy, with a high near 62. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36. Northwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers. Partly sunny, with a high near 59.

    High: 59 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 45. Calm wind.
Tuesday
Partly sunny, with a high near 71. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 50 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 55. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Showers likely before 1pm. Mostly cloudy, with a high near 62. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
Mostly clear, with a low around 36. Northwest wind around 5 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Mostly cloudy, with a low around 42.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 59.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 44.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 57.
Saturday Night
Showers. Low around 49. Chance of precipitation is 80%.
Sunday
Showers. High near 59. Chance of precipitation is 90%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 44.
Washington's Birthday
Sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Marietta, Cobb County-McCollum Field Airport GA
 33.97°N 84.57°W (Elev. 1096 ft)
Last Update:
1:17 am EST Feb 10, 2026
Forecast Valid:
2am EST Feb 10, 2026-6pm EST Feb 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation