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

42°F

6°C

Humidity 100%
Wind Speed W 5 mph
Barometer 30.02 in (990.0 mb)
Dewpoint 42°F (6°C)
Visibility 5.00 mi
Wind Chill39°F (4°C)
Last update 5 Dec 8:50 pm EST
Extended Forecast for

3 Miles WNW Marietta GA

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Cloudy then
    Patchy Fog

  • Saturday

    Saturday: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 50. West wind around 5 mph.

    High: 50 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 54. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 54 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 40. Calm wind becoming northwest around 5 mph after midnight.

    Low: 40 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 51.

    High: 51 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, cloudy, with a low around 38. Calm wind.
Saturday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 50. West wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 32. Calm wind.
Sunday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 54. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 40. Calm wind becoming northwest around 5 mph after midnight.
Monday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly clear, with a low around 32.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Marietta GA
 33.97°N 84.6°W (Elev. 1001 ft)
Last Update:
6:16 pm EST Dec 5, 2025
Forecast Valid:
9pm EST Dec 5, 2025-6pm EST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation