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 and Breezy

48°F

9°C

Humidity 39%
Wind Speed W 21 G 31 mph
Barometer 29.99 in (989.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 29 Dec 8:50 am EST
Extended Forecast for

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

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 39 by 5pm. Northwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 53 °F⇓

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 22. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 22 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 40. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 40 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25. Northwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 48. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 39 by 5pm. Northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Tonight
Mostly clear, with a low around 22. Northwest wind around 15 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 40. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 25. Northwest wind around 10 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 48. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 31.
New Year's Day
Sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 57.
Friday Night
Showers likely, then showers and possibly a thunderstorm after 1am. Low around 45. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 57.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 54.
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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:
5:36 am EST Dec 29, 2025
Forecast Valid:
9am EST Dec 29, 2025-6pm EST Jan 4, 2026
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation