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

73°F

23°C

Humidity 28%
Wind Speed NW 7 mph
Barometer 30.17 in (994.9 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 1 Mar 3:50 pm EST
Extended Forecast for

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

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 62. East wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 62 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 48. East wind around 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 67. East wind around 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. Southeast wind around 5 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. Calm wind.
Monday
Mostly cloudy, with a high near 62. East wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 48. East wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 67. East wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 50. Southeast wind around 5 mph.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 78.
Thursday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 59.
Friday
A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 81.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Saturday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 80. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
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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:
1:41 pm EST Mar 1, 2026
Forecast Valid:
4pm EST Mar 1, 2026-6pm EDT Mar 8, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation