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.

A Few Clouds

78°F

26°C

Humidity 85%
Wind Speed Calm
Barometer 30.07 in (1016.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 9 Jul 10:50 pm EDT
Extended Forecast for

5 Miles NNE Marietta GA

  • Tonight

    Tonight: Mostly clear, with a low around 73. Southwest wind around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 99. West wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers after 3am. Partly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 89. Heat index values as high as 97. West wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    High: 89 °F

    Chance
    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 71. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 71 °F

    T-storms
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Chance
    Showers then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.

    Low: 70 °F

    T-storms
    Likely then
    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 81. Chance of precipitation is 80%.

    High: 81 °F

    Showers
    Likely then
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 68. Chance of precipitation is 80%.

    Low: 68 °F

    T-storms then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 73. Southwest wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 99. West wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers after 3am. Partly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 89. Heat index values as high as 97. West wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 71. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Sunday
A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 81. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 68. Chance of precipitation is 80%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Marietta GA
 34.01°N 84.49°W (Elev. 1099 ft)
Last Update:
8:07 pm EDT Jul 9, 2026
Forecast Valid:
11pm EDT Jul 9, 2026-6pm EDT Jul 16, 2026
 
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