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.

Light Rain

67°F

19°C

Humidity 84%
Wind Speed Calm
Barometer 30.14 in (993.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 9 Mar 9:50 pm EDT
Extended Forecast for

3 Miles NNE Marietta GA

Severe T-storm Watch March 9, 10:37pm until March 9, 11:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch March 9, 10:37pm until March 9, 11:00pm

    NOW until 11:00pm Mon

    Severe T-storm Watch

  • Tonight

    Low: 60 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 77 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 50. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Chance
    Showers then
    Showers

  • Thursday

    Thursday: Showers, mainly before 2pm. High near 60. Chance of precipitation is 80%.

    High: 60 °F

    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 4am. Mostly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm.
Wednesday
Partly sunny, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 50. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday
Showers, mainly before 2pm. High near 60. Chance of precipitation is 80%.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 66.
Friday Night
Clear, with a low around 44.
Saturday
Sunny, with a high near 75.
Saturday Night
Clear, with a low around 52.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 78.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Monday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Marietta GA
 33.99°N 84.52°W (Elev. 1096 ft)
Last Update:
9:36 pm EDT Mar 9, 2026
Forecast Valid:
10pm EDT Mar 9, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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