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

65°F

18°C

Humidity 70%
Wind Speed S 7 mph
Barometer 30.25 in (997.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 31 Mar 4:50 am EDT
Extended Forecast for

3 Miles WNW Marietta GA

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 83. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 83 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 61. Southeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 83 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers before 8pm. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 80.

    High: 80 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 61. South wind around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 83. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 61. Southeast wind around 5 mph. Chance of precipitation is 30%.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
A 10 percent chance of showers before 8pm. Mostly cloudy, with a low around 62.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 80.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 47.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Marietta GA
 33.97°N 84.57°W (Elev. 1096 ft)
Last Update:
2:26 am EDT Mar 31, 2026
Forecast Valid:
5am EDT Mar 31, 2026-6pm EDT Apr 6, 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