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

50°F

10°C

Humidity 30%
Wind Speed W 9 mph
Barometer 30.22 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 2 Feb 4:50 pm EST
Extended Forecast for

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

  • Tonight

    Tonight: Mostly clear, with a low around 28. West wind around 5 mph becoming calm in the evening.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 10 percent chance of showers after 5pm. Partly sunny, with a high near 56. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 56 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers, mainly after 7pm. Low around 43. Southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 50. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 50 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 28. West wind around 5 mph becoming calm in the evening.
Tuesday
A 10 percent chance of showers after 5pm. Partly sunny, with a high near 56. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night
Showers, mainly after 7pm. Low around 43. Southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 50. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 24. Northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 43.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

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 pm EST Feb 2, 2026
Forecast Valid:
5pm EST Feb 2, 2026-6pm EST Feb 9, 2026
 
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Additional Resources

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Chance of Precipitation