National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Fair

33°C

92°F

Humidity 46%
Wind Speed NW 15 km/h
Barometer 1018.3 mb (30.08 in)
Dewpoint 20°C (68°F)
Visibility 16 km
Heat Index36°C (96°F)
Last update 14 Jul 4:50 pm EDT
Extended Forecast for

3 Miles WNW Marietta GA

  • Tonight

    Tonight: Mostly clear, with a low around 23. Northwest wind 5 to 10 km/h.

    Low: 23 °C

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 34. Heat index values as high as 38. Calm wind.

    High: 34 °C

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °C

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 33. Heat index values as high as 37. Southeast wind 5 to 10 km/h. Chance of precipitation is 60%.

    High: 33 °C

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 22. Southeast wind 5 to 10 km/h. Chance of precipitation is 60%.

    Low: 22 °C

    T-storms
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 33. Chance of precipitation is 60%.

    High: 33 °C

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

    Low: 22 °C

    T-storms
    Likely then
    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 32. Chance of precipitation is 60%.

    High: 32 °C

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

    Low: 22 °C

    T-storms
    Likely then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 23. Northwest wind 5 to 10 km/h.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 34. Heat index values as high as 38. Calm wind.
Tuesday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 23. Calm wind.
Wednesday
A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 33. Heat index values as high as 37. Southeast wind 5 to 10 km/h. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 22. Southeast wind 5 to 10 km/h. Chance of precipitation is 60%.
Thursday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 33. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 32. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 33.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 23.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 33.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 23.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 34.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Marietta GA
 33.97°N 84.6°W (Elev. 1001 m)
Last Update:
3:26 pm EDT Jul 14, 2025
Forecast Valid:
5pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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