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

74°F

23°C

Humidity 62%
Wind Speed Calm
Barometer 30.07 in (991.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 19 Sep 9:50 pm EDT
Extended Forecast for

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

  • Tonight

    Tonight: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 89. Calm wind becoming southeast around 5 mph.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 66. East wind around 5 mph becoming calm.

    Low: 66 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 88. Southeast wind around 5 mph.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. East wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 66. Calm wind.
Saturday
A 10 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 89. Calm wind becoming southeast around 5 mph.
Saturday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 66. East wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 88. Southeast wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 66. East wind around 5 mph.
Monday
Mostly sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 67.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Marietta, Cobb County-McCollum Field Airport GA
 34.04°N 84.6°W (Elev. 1089 ft)
Last Update:
2:16 pm EDT Sep 19, 2025
Forecast Valid:
10pm EDT Sep 19, 2025-6pm EDT Sep 26, 2025
 
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Additional Resources

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