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.

Mostly Cloudy

76°F

24°C

Humidity 64%
Wind Speed Calm
Barometer 30.10 in (992.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 20 Nov 2:50 pm EST
Extended Forecast for

4 Miles NE Marietta, Cobb County-McCollum Field Airport GA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 74. South wind around 5 mph.

    High: 74 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of showers between 10pm and 11pm. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 58. Calm wind. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Friday

    Friday: A 40 percent chance of showers, mainly after 3pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 76. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 76 °F

    Patchy Fog
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 4am, then showers likely after 4am. Mostly cloudy, with a low around 62. Southwest wind around 5 mph. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a slight chance of showers after 1pm. Partly sunny, with a high near 74. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 74. South wind around 5 mph.
Tonight
A slight chance of showers between 10pm and 11pm. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 58. Calm wind. Chance of precipitation is 20%.
Friday
A 40 percent chance of showers, mainly after 3pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 76. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Friday Night
A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 4am, then showers likely after 4am. Mostly cloudy, with a low around 62. Southwest wind around 5 mph. Chance of precipitation is 70%.
Saturday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a slight chance of showers after 1pm. Partly sunny, with a high near 74. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 46.
Monday
Mostly sunny, with a high near 69.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 52.
Tuesday
Showers likely. Cloudy, with a high near 67. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Marietta, Cobb County-McCollum Field Airport GA
 34.06°N 84.57°W (Elev. 1024 ft)
Last Update:
1:16 pm EST Nov 20, 2025
Forecast Valid:
3pm EST Nov 20, 2025-6pm EST Nov 26, 2025
 
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Additional Resources

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Chance of Precipitation