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.

Mostly Cloudy

86°F

30°C

Humidity 46%
Wind Speed SE 7 mph
Barometer 30.11 in (992.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 21 Sep 2:50 pm EDT
Extended Forecast for

4 Miles NNE Marietta GA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 87. Southeast wind around 5 mph.

    High: 87 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 67. East wind around 5 mph.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 87. Southeast wind around 5 mph.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. Southeast wind around 5 mph becoming calm.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Calm wind becoming southeast around 5 mph.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 87. Southeast wind around 5 mph.
Tonight
Partly cloudy, with a low around 67. East wind around 5 mph.
Monday
Mostly sunny, with a high near 87. Southeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 65. Southeast wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 89. Calm wind becoming southeast around 5 mph.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Partly sunny, with a high near 89.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Marietta GA
 33.99°N 84.52°W (Elev. 1096 ft)
Last Update:
2:16 pm EDT Sep 21, 2025
Forecast Valid:
3pm EDT Sep 21, 2025-6pm EDT Sep 27, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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