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

65°F

18°C

Humidity 70%
Wind Speed W 7 mph
Barometer 29.95 in (987.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 21 Feb 2:50 pm EST
Extended Forecast for

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

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 67. Southeast wind around 5 mph becoming west.

    High: 67 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 36. Northwest wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 46. Northwest wind around 20 mph, with gusts as high as 30 mph.

    High: 46 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 39. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 23.

    Low: 23 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Tuesday Night

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

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 67. Southeast wind around 5 mph becoming west.
Tonight
A slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 36. Northwest wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 46. Northwest wind around 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 24. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 39. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Clear, with a low around 23.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 63.
Wednesday Night
A 40 percent chance of showers after 1am. Cloudy, with a low around 53.
Thursday
Showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Friday
A 20 percent chance of showers. Sunny, with a high near 62.
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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:
1:26 pm EST Feb 21, 2026
Forecast Valid:
3pm EST Feb 21, 2026-6pm EST Feb 27, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation