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.

Mostly Cloudy

90°F

32°C

Humidity 71%
Wind Speed N 6 mph
Barometer 30.16 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 15 Aug 3:50 pm EDT
Extended Forecast for

Kennesaw GA

Heat Advisory August 15, 04:11pm until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 15, 04:11pm until August 16, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 93 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 95. Heat index values as high as 103. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. West wind around 5 mph becoming calm.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. West wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 105. Northwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 75. Calm wind.
Sunday
Sunny, with a high near 95. Heat index values as high as 103. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 75. West wind around 5 mph becoming calm.
Monday
Sunny, with a high near 96. West wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Thursday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
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 71.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kennesaw GA
 34.02°N 84.62°W (Elev. 1083 ft)
Last Update:
2:26 pm EDT Aug 15, 2026
Forecast Valid:
4pm EDT Aug 15, 2026-6pm EDT Aug 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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