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.

Mostly Cloudy

90°F

32°C

Humidity 59%
Wind Speed Vrbl 6 mph
Barometer 29.93 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 20 Aug 2:50 pm EDT
Extended Forecast for

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

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. Northwest wind around 5 mph.

    High: 90 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Northwest wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday 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 70. North wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 85. East wind around 5 mph. Chance of precipitation is 50%.

    High: 85 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    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%.

    Low: 68 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. Northwest wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Northwest wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday 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 70. North wind around 5 mph becoming calm. Chance of precipitation is 20%.
Friday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 85. East wind around 5 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Saturday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. 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 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 85.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 67.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Mostly sunny, with a high near 80.
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Forecast Area
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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:
2:17 pm EDT Aug 20, 2025
Forecast Valid:
3pm EDT Aug 20, 2025-6pm EDT Aug 26, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation