NWS Forecast for Kennesaw GA

National Weather Service Forecast for: Kennesaw GA
Issued by: National Weather Service Peachtree City, GA

Updated: 7:06 pm EDT Sep 12, 2026

Tonight Slight Chance T-storms then Partly Cloudy	Sunday Mostly Sunny	Sunday Night Mostly Clear	Monday Sunny	Monday Night Mostly Clear	Tuesday Sunny	Tuesday Night Mostly Clear	Wednesday Sunny	Wednesday Night Mostly Clear
Lo 69 °F	Hi 90 °F	Lo 68 °F	Hi 93 °F	Lo 71 °F	Hi 90 °F	Lo 67 °F	Hi 88 °F	Lo 65 °F

Hazardous Weather Outlook

Tonight	A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 69. Calm wind.
Sunday	Mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night	Mostly clear, with a low around 68. Northwest wind around 5 mph becoming calm.
Monday	Sunny, with a high near 93. Heat index values as high as 99. Calm wind becoming north around 5 mph in the afternoon.
Monday Night	Mostly clear, with a low around 71. Calm wind becoming east around 5 mph after midnight.
Tuesday	Sunny, with a high near 90.
Tuesday Night	Mostly clear, with a low around 67.
Wednesday	Sunny, with a high near 88.
Wednesday Night	Mostly clear, with a low around 65.
Thursday	Sunny, with a high near 89.
Thursday Night	Clear, with a low around 67.
Friday	Sunny, with a high near 90.
Friday Night	Mostly clear, with a low around 68.
Saturday	A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

Forecast from NOAA-NWS for Kennesaw GA.