Kennesaw, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kennesaw, a city in Cobb County, Georgia.
Today
87°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 10am and 2pm, then showers and thunderstorms likely between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny. High near 87, with temperatures falling to around 83 in the afternoon. East wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Kennesaw
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 58% |
| Tonight | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 49% |
| Wednesday | 87°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 74% |
| Wednesday Night | 70°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph S | 63% |
| Thursday | 88°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 66% |
| Thursday Night | 70°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 66% |
| Friday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 37% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 37% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 48% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 0 mph | 48% |
| Sunday | 89°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 47% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 0 mph | 47% |
| Monday | 89°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 42% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 42% |
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 Aug 4, 2026.