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.

Partly Cloudy

62°F

17°C

Humidity 86%
Wind Speed SW 10 mph
Barometer 29.91 in (986.2 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 29 Dec 1:50 am EST
Extended Forecast for

2 Miles S Marietta, Cobb County-McCollum Field Airport GA

  • Overnight

    Overnight: Showers, mainly between 3am and 5am. Low around 41. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 41 °F

    Showers

  • Monday

    Monday: A 10 percent chance of showers before 7am. Mostly sunny, with a temperature falling to around 40 by 5pm. Northwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 54 °F⇓

    Slight Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 22. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 22 °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. Northwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Wednesday Night

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

    Low: 31 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers, mainly between 3am and 5am. Low around 41. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday
A 10 percent chance of showers before 7am. Mostly sunny, with a temperature falling to around 40 by 5pm. Northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Monday Night
Mostly clear, with a low around 22. Northwest wind around 15 mph, with gusts as high as 30 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. Northwest wind around 10 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 49.
Wednesday Night
Mostly clear, with a low around 31.
New Year's Day
Sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 58.
Friday Night
Showers and possibly a thunderstorm. Low around 45. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 58.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Marietta, Cobb County-McCollum Field Airport GA
 33.97°N 84.6°W (Elev. 1001 ft)
Last Update:
1:16 am EST Dec 29, 2025
Forecast Valid:
2am EST Dec 29, 2025-6pm EST Jan 4, 2026
 
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Additional Resources

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Chance of Precipitation