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

68°F

20°C

Humidity 76%
Wind Speed E 3 mph
Barometer 30.13 in (993.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 2 Sep 12:50 am EDT
Extended Forecast for

3 Miles W Marietta GA

  • Overnight

    Overnight: Mostly clear, with a low around 61. East wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. East wind around 5 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 83 °F

    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, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 65.

    Low: 65 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

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

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 61. East wind around 5 mph.
Tuesday
Mostly sunny, with a high near 83. East wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 62. Calm wind.
Wednesday
A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon. 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, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 20%.
Thursday
A slight chance of thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Thursday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 65.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 66.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 64.
Monday
Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Marietta GA
 33.95°N 84.6°W (Elev. 1099 ft)
Last Update:
12:33 am EDT Sep 2, 2025
Forecast Valid:
1am EDT Sep 2, 2025-6pm EDT Sep 8, 2025
 
Forecast Discussion
 
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Additional Resources

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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