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

77°F

25°C

Humidity 79%
Wind Speed Calm
Barometer 29.96 in (1013.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 5 Sep 9:50 pm EDT
Extended Forecast for

Acworth GA

Heat Advisory September 5, 10:49pm until September 6, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 5, 10:49pm until September 6, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Tonight

    Low: 73 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, sunny, with a high near 95. Heat index values as high as 102. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 95 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Partly cloudy, with a low around 71. North wind 5 to 10 mph becoming east in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Labor Day

    Labor Day: A chance of showers between 7am and 2pm. Partly sunny, with a high near 86. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. East wind around 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 73. Calm wind.
Sunday
Patchy fog before 10am. Otherwise, sunny, with a high near 95. Heat index values as high as 102. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Partly cloudy, with a low around 71. North wind 5 to 10 mph becoming east in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Labor Day
A chance of showers between 7am and 2pm. Partly sunny, with a high near 86. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 69. East wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92.
Thursday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 69.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Acworth GA
 34.07°N 84.67°W (Elev. 899 ft)
Last Update:
8:41 pm EDT Sep 5, 2026
Forecast Valid:
10pm EDT Sep 5, 2026-6pm EDT Sep 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation