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.

Fair

76°F

24°C

Humidity 88%
Wind Speed SW 3 mph
Barometer 30.20 in (1022.3 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 19 Jul 12:50 am EDT
Extended Forecast for

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

  • Overnight

    Overnight: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 97. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 91 °F

    Chance
    T-storms

  • Saturday Night

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

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Heat index values as high as 98. West wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    High: 91 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. West wind around 5 mph.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. Calm wind.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 97. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. West wind around 5 mph.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Heat index values as high as 98. West wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. West wind around 5 mph.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74.
Tuesday
A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.
Tuesday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 73.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Thursday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.
Friday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Marietta, Cobb County-McCollum Field Airport GA
 33.99°N 84.57°W (Elev. 1129 ft)
Last Update:
1:01 am EDT Jul 19, 2025
Forecast Valid:
1am EDT Jul 19, 2025-6pm EDT Jul 25, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation