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

34°F

1°C

Humidity 89%
Wind Speed NW 5 mph
Barometer 30.20 in (996.1 mb)
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 9 Dec 1:50 am EST
Extended Forecast for

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

  • Overnight

    Overnight: Partly cloudy, with a low around 29. Northwest wind around 5 mph becoming calm.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. Calm wind becoming south around 5 mph in the afternoon.

    High: 48 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 33. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 33 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 29. Northwest wind around 5 mph becoming calm.
Tuesday
Partly sunny, with a high near 48. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 33. South wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 57. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 32. Northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 49.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 28.
Monday
Mostly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Marietta, Cobb County-McCollum Field Airport GA
 33.97°N 84.57°W (Elev. 1096 ft)
Last Update:
1:16 am EST Dec 9, 2025
Forecast Valid:
2am EST Dec 9, 2025-6pm EST Dec 15, 2025
 
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