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.

Fair

84°F

29°C

Humidity 67%
Wind Speed E 7 mph
Barometer 30.06 in (1017.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 15 Jul 8:50 pm EDT
Extended Forecast for

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

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 73. East wind around 5 mph. Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers between 10am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 97. East wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 73. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 92. Heat index values as high as 98. South wind around 5 mph. Chance of precipitation is 40%.

    High: 92 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 73. East wind around 5 mph. Chance of precipitation is 40%.
Wednesday
A slight chance of showers between 10am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 97. East wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 73. South wind around 5 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 92. Heat index values as high as 98. South wind around 5 mph. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. South wind around 5 mph.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73.
Sunday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.
Monday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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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:
7:16 pm EDT Jul 15, 2025
Forecast Valid:
9pm EDT Jul 15, 2025-6pm EDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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