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.

Mostly Cloudy

46°F

8°C

Humidity 61%
Wind Speed Vrbl 5 mph
Barometer 30.13 in (993.7 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 9 Dec 1:50 pm EST
Extended Forecast for

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

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 46. South wind around 5 mph.

    High: 46 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 33. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 47. Northwest wind around 10 mph, with gusts as high as 15 mph.

    High: 47 °F

    Sunny

  • Thursday Night

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

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 46. South wind around 5 mph.
Tonight
Partly cloudy, with a low around 33. South wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 56. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 31. West wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 47. Northwest wind around 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 43.
Saturday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 61.
Saturday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 42.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 28.
Monday
Mostly sunny, with a high near 48.
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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:
1:16 pm EST Dec 9, 2025
Forecast Valid:
2pm EST Dec 9, 2025-6pm EST Dec 15, 2025
 
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Additional Resources

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