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

69°F

21°C

Humidity 32%
Wind Speed E 5 mph
Barometer 30.11 in (992.8 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 16 Feb 4:50 pm EST
Extended Forecast for

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

  • Tonight

    Tonight: Mostly clear, with a low around 41. Southeast wind around 5 mph becoming calm.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50. South wind around 5 mph.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 69. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 69 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Cloudy, with a low around 58. South wind around 5 mph.

    Low: 58 °F

    Cloudy then
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 75.

    High: 75 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers. Partly sunny, with a high near 74.

    High: 74 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 41. Southeast wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 67. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 50. South wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 69. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 30 percent chance of showers after 1am. Cloudy, with a low around 58. South wind around 5 mph.
Thursday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 75.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 74.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Saturday
A 50 percent chance of showers. Mostly sunny, with a high near 67.
Saturday Night
A 50 percent chance of showers. Partly cloudy, with a low around 42.
Sunday
A 40 percent chance of showers. Mostly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Marietta, Cobb County-McCollum Field Airport GA
 33.99°N 84.57°W (Elev. 1129 ft)
Last Update:
4:47 pm EST Feb 16, 2026
Forecast Valid:
5pm EST Feb 16, 2026-6pm EST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation