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.

Partly Cloudy

74°F

23°C

Humidity 62%
Wind Speed SW 5 mph
Barometer 30.04 in (990.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 3 Sep 9:50 am EDT
Extended Forecast for

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

  • Today

    Today: Mostly sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 87. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67. Southwest wind around 5 mph becoming calm.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92. Calm wind becoming west around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 65. Calm wind.
Thursday
Mostly sunny, with a high near 87. Light south wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 67. Southwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 92. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 69.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 63.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Monday Night
A 10 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

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:
6:08 am EDT Sep 3, 2025
Forecast Valid:
10am EDT Sep 3, 2025-6pm EDT Sep 9, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation