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.

Overcast

69°F

21°C

Humidity 96%
Wind Speed Calm
Barometer 29.93 in (1012.6 mb)
Dewpoint 68°F (20°C)
Visibility 7.00 mi
Last update 17 Jun 8:50 am EDT
Extended Forecast for

3 Miles WNW Marietta GA

Flood Watch June 18, 08:00am until June 20, 02:00am
Click here for hazard details and duration
Flood Watch

  • Today

    Today: A 10 percent chance of showers and thunderstorms after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 85 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms. High near 81. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers
    Likely then
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms. Low around 69. Southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.

    Low: 69 °F

    T-storms then
    Showers

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 83. West wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely then
    T-storms
    Likely

  • Friday Night

    Friday Night: Thunderstorms likely before 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    T-storms
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Showers and thunderstorms. High near 81. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms. Low around 69. Southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.
Juneteenth
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 83. West wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Friday Night
Thunderstorms likely before 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 67.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 86.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 40%.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 70. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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 ft)
Last Update:
2:26 am EDT Jun 17, 2026
Forecast Valid:
9am EDT Jun 17, 2026-6pm EDT Jun 23, 2026
 
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