Kennesaw, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kennesaw, a city in Cobb County, Georgia.
This Afternoon
95°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 95. Heat index values as high as 101. Northwest wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Kennesaw
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 95°F | Slight Chance Showers And Thunderstorms | 5 mph NW | 18% |
| Tonight | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph NE | 28% |
| Saturday | 95°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NE | 29% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 mph E | 45% |
| Sunday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 29% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 29% |
| Monday | 92°F | Sunny then Chance Showers And Thunderstorms | 0 mph | 47% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 47% |
| Tuesday | 88°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 60% |
| Tuesday Night | 68°F | Showers And Thunderstorms Likely | 5 mph E | 60% |
| Wednesday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 33% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 10 mph NE | 33% |
| Thursday | 81°F | Mostly Sunny | 5 to 10 mph NE | 6% |
| Thursday Night | 62°F | Partly Cloudy | 5 to 10 mph N | 6% |
Forecast source: National Weather Service (api.weather.gov) for Kennesaw (34.027, -84.617). Updated through the day.
Growing snapshot for Kennesaw
Last spring frost
Apr 2
First fall frost
Nov 4
Growing season
218 days
Hardiness zone
8a
More local growing data for Kennesaw: nearby ZIP 30144 weather · frost dates · planting calendar · Georgia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Dallas 7 Ne, Ga (9.5 mi from Kennesaw). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.