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

69°F

21°C

Humidity 76%
Wind Speed SW 7 mph
Barometer 30.06 in (991.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 28 Dec 12:50 pm EST
Extended Forecast for

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

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 72. South wind around 10 mph, with gusts as high as 15 mph.

    High: 72 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly after 4am. Mostly cloudy, with a low around 43. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 43 °F

    Mostly Cloudy
    then Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers, mainly before 7am. Mostly sunny, with a temperature falling to around 41 by 5pm. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 56 °F⇓

    Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 23. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 40. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 40 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 72. South wind around 10 mph, with gusts as high as 15 mph.
Tonight
Showers likely, mainly after 4am. Mostly cloudy, with a low around 43. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers, mainly before 7am. Mostly sunny, with a temperature falling to around 41 by 5pm. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 23. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 40. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Mostly clear, with a low around 30.
New Year's Day
Sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 33.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 54.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 38.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 57.
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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:
11:47 am EST Dec 28, 2025
Forecast Valid:
1pm EST Dec 28, 2025-6pm EST Jan 3, 2026
 
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Additional Resources

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Chance of Precipitation