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

30°F

-1°C

Humidity 64%
Wind Speed NW 5 mph
Barometer 30.42 in (1003.5 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 12 Jan 1:50 am EST
Extended Forecast for

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

  • Overnight

    Overnight: Mostly clear, with a low around 25. Northwest wind around 5 mph becoming calm.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 47. Calm wind becoming west around 5 mph in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. Calm wind becoming southwest around 5 mph.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 25. Northwest wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 47. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 29. Calm wind.
Tuesday
Sunny, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 36. Calm wind becoming southwest around 5 mph.
Wednesday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 55.
Wednesday Night
A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Mostly clear, with a low around 19.
Friday
Sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Marietta, Cobb County-McCollum Field Airport GA
 34.03°N 84.51°W (Elev. 1066 ft)
Last Update:
1:16 am EST Jan 12, 2026
Forecast Valid:
2am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation