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Hazardous Weather Conditions

Current conditions at

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Fair

74°F

23°C

Humidity 88%
Wind Speed SW 3 mph
Barometer 30.06 in (1016.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 10 Jul 4:50 am EDT
Extended Forecast for

Marietta, Cobb County-McCollum Field Airport GA

  • Today

    Today: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Heat index values as high as 97. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 10pm and 2am. Mostly cloudy, with a low around 74. Southwest wind around 5 mph.

    Low: 74 °F

    Chance
    T-storms then
    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 88. West wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    High: 88 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 72 °F

    T-storms
    Likely then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 87. West wind around 5 mph. Chance of precipitation is 70%.

    High: 87 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 71. Chance of precipitation is 80%.

    Low: 71 °F

    T-storms then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 90%.

    High: 82 °F

    Showers
    Likely then
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then a slight chance of showers. Low around 69. Chance of precipitation is 80%.

    Low: 69 °F

    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Heat index values as high as 97. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 10pm and 2am. Mostly cloudy, with a low around 74. Southwest wind around 5 mph.
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 88. 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 5am, then a chance of showers. Mostly cloudy, with a low around 72. 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. Mostly cloudy, with a high near 87. West wind around 5 mph. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 71. Chance of precipitation is 80%.
Monday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm before 2am, then a slight chance of showers. Low around 69. Chance of precipitation is 80%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 69.
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 72.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Marietta, Cobb County-McCollum Field Airport GA
 34.02°N 84.6°W (Elev. 1001 ft)
Last Update:
3:01 am EDT Jul 10, 2026
Forecast Valid:
4am EDT Jul 10, 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