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 85%
Wind Speed Calm
Barometer 29.97 in (1013.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 5 Sep 2:50 am EDT
Extended Forecast for

Kennesaw GA

Heat Advisory September 5, 03:00am until September 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 5, 03:00am until September 5, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Overnight

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming north around 5 mph.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms after 4pm. Patchy fog before 9am. Otherwise, sunny, with a high near 95. Heat index values as high as 101. Northwest wind around 5 mph.

    High: 95 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 72. North wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    Showers

  • Labor Day

    Labor Day: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 73. Calm wind.
Saturday
Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming north around 5 mph.
Saturday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 73. Calm wind.
Sunday
A 10 percent chance of showers and thunderstorms after 4pm. Patchy fog before 9am. Otherwise, sunny, with a high near 95. Heat index values as high as 101. Northwest wind around 5 mph.
Sunday Night
A slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 72. North wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Labor Day
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kennesaw GA
 34.02°N 84.62°W (Elev. 1083 ft)
Last Update:
2:26 am EDT Sep 5, 2026
Forecast Valid:
3am EDT Sep 5, 2026-6pm EDT Sep 11, 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