National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Partly Cloudy

75°F

24°C

Humidity 100%
Wind Speed E 6 mph
Barometer 30.10 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Last update 19 Aug 7:50 am EDT
Extended Forecast for

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

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 91. East wind around 5 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72. East wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 97. East wind around 5 mph becoming north in the afternoon.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. North wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then showers and thunderstorms likely after 8am. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.

    High: 85 °F

    Chance
    Showers then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    T-storms
    Likely

  • Saturday

    Saturday: A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 91. East wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72. East wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 97. East wind around 5 mph becoming north in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. North wind around 5 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Friday
A slight chance of showers, then showers and thunderstorms likely after 8am. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Saturday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 67.
Monday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Marietta, Cobb County-McCollum Field Airport GA
 34.01°N 84.54°W (Elev. 997 ft)
Last Update:
5:53 am EDT Aug 19, 2025
Forecast Valid:
8am EDT Aug 19, 2025-6pm EDT Aug 25, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation