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

18°C

65°F

Humidity 42%
Wind Speed Vrbl 6 km/h
Barometer 994.2 mb (30.15 in)
Dewpoint 5°C (41°F)
Visibility 16 km
Last update 14 Mar 10:50 am EDT
Extended Forecast for

3 Miles WNW Marietta GA

  • Today

    Today: Sunny, with a high near 24. Calm wind becoming south 5 to 10 km/h in the afternoon.

    High: 24 °C

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 12. Southeast wind 5 to 10 km/h, with gusts as high as 25 km/h.

    Low: 12 °C

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 22. Southeast wind 15 to 20 km/h, with gusts as high as 35 km/h.

    High: 22 °C

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, with thunderstorms also possible after 5am. Low around 5. South wind 15 to 25 km/h, with gusts as high as 40 km/h. Chance of precipitation is 90%.

    Low: 5 °C

    Chance
    Showers then
    Showers

  • Monday

    Monday: Rain showers before 5pm, then a slight chance of rain and snow showers. Some thunder is also possible. High near 12. West wind 25 to 30 km/h, with gusts as high as 50 km/h. Chance of precipitation is 80%.

    High: 12 °C

    Showers then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around -4.

    Low: -4 °C

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 7.

    High: 7 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around -2.

    Low: -2 °C

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 13.

    High: 13 °C

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 24. Calm wind becoming south 5 to 10 km/h in the afternoon.
Tonight
Mostly clear, with a low around 12. Southeast wind 5 to 10 km/h, with gusts as high as 25 km/h.
Sunday
A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 22. Southeast wind 15 to 20 km/h, with gusts as high as 35 km/h.
Sunday Night
Showers, with thunderstorms also possible after 5am. Low around 5. South wind 15 to 25 km/h, with gusts as high as 40 km/h. Chance of precipitation is 90%.
Monday
Rain showers before 5pm, then a slight chance of rain and snow showers. Some thunder is also possible. High near 12. West wind 25 to 30 km/h, with gusts as high as 50 km/h. Chance of precipitation is 80%.
Monday Night
Partly cloudy, with a low around -4.
Tuesday
Sunny, with a high near 7.
Tuesday Night
Mostly clear, with a low around -2.
Wednesday
Mostly sunny, with a high near 13.
Wednesday Night
Partly cloudy, with a low around 2.
Thursday
Sunny, with a high near 18.
Thursday Night
Mostly clear, with a low around 7.
Friday
Sunny, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Marietta GA
 33.97°N 84.6°W (Elev. 1001 m)
Last Update:
6:26 am EDT Mar 14, 2026
Forecast Valid:
10am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
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