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.

Fog/Mist

45°F

7°C

Humidity 97%
Wind Speed W 9 mph
Barometer 29.88 in (985.4 mb)
Dewpoint 44°F (7°C)
Visibility 3.00 mi
Wind Chill40°F (4°C)
Last update 2 Dec 12:50 pm EST
Extended Forecast for

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

  • This Afternoon

    This Afternoon: Cloudy, with a high near 50. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 50 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50. Calm wind becoming northwest around 5 mph.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 49. Calm wind becoming northwest around 5 mph in the morning.

    High: 49 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 1am. Low around 37. Chance of precipitation is 80%.

    Low: 37 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain. High near 45. Chance of precipitation is 90%.

    High: 45 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Rain Likely

  • Saturday

    Saturday: A 40 percent chance of rain. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

Detailed Forecast

This Afternoon
Cloudy, with a high near 50. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 27. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 50. Calm wind becoming northwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 31. Calm wind.
Thursday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 49. Calm wind becoming northwest around 5 mph in the morning.
Thursday Night
Rain, mainly after 1am. Low around 37. Chance of precipitation is 80%.
Friday
Rain. High near 45. Chance of precipitation is 90%.
Friday Night
Rain likely, mainly before 1am. Cloudy, with a low around 39. Chance of precipitation is 60%.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 52.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
A 20 percent chance of rain. Partly cloudy, with a low around 35.
Monday
A 20 percent chance of rain. Mostly sunny, with a high near 50.
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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:
12:56 pm EST Dec 2, 2025
Forecast Valid:
1pm EST Dec 2, 2025-6pm EST Dec 8, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation