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.

Fair

39°F

4°C

Humidity 28%
Wind Speed Vrbl 7 mph
Barometer 30.26 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 7 Feb 9:50 pm EST
Extended Forecast for

4 Miles E Marietta, Cobb County-McCollum Field Airport GA

  • Tonight

    Tonight: Clear, with a low around 25. Northwest wind around 5 mph becoming calm after midnight.

    Low: 25 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 55. Calm wind becoming southwest around 5 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 63. East wind around 5 mph becoming south in the afternoon.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Mostly cloudy, with a high near 70.

    High: 70 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 25. Northwest wind around 5 mph becoming calm after midnight.
Sunday
Sunny, with a high near 55. Calm wind becoming southwest around 5 mph.
Sunday Night
Mostly cloudy, with a low around 36. Calm wind.
Monday
Sunny, with a high near 63. East wind around 5 mph becoming south in the afternoon.
Monday Night
Partly cloudy, with a low around 43. Calm wind.
Tuesday
Mostly cloudy, with a high near 70.
Tuesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 54.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 70.
Wednesday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 51.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 68.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 49.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 61.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 40.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Marietta, Cobb County-McCollum Field Airport GA
 34.01°N 84.54°W (Elev. 997 ft)
Last Update:
7:32 pm EST Feb 7, 2026
Forecast Valid:
10pm EST Feb 7, 2026-6pm EST Feb 14, 2026
 
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