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

43°F

6°C

Humidity 93%
Wind Speed W 6 mph
Barometer 29.97 in (988.6 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 6 Dec 2:50 am EST
Extended Forecast for

5 Miles SSW Marietta, Cobb County-McCollum Field Airport GA

  • Overnight

    Overnight: A 20 percent chance of showers after 4am. Cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 49. Calm wind becoming west around 5 mph in the morning.

    High: 49 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 53. Calm wind becoming southeast around 5 mph.

    High: 53 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 39. Calm wind becoming northwest around 5 mph.

    Low: 39 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 49.

    High: 49 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers after 4am. Cloudy, with a low around 37. Calm wind.
Saturday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 49. Calm wind becoming west around 5 mph in the morning.
Saturday Night
Partly cloudy, with a low around 31. Calm wind.
Sunday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 53. Calm wind becoming southeast around 5 mph.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 39. Calm wind becoming northwest around 5 mph.
Monday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly clear, with a low around 33.
Wednesday
Sunny, with a high near 58.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 36.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 56.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Marietta, Cobb County-McCollum Field Airport GA
 33.95°N 84.63°W (Elev. 1001 ft)
Last Update:
1:16 am EST Dec 6, 2025
Forecast Valid:
3am EST Dec 6, 2025-6pm EST Dec 12, 2025
 
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Additional Resources

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Chance of Precipitation