Austell, GA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Austell, a city in Cobb County, Georgia.

This Afternoon

72°F

Showers And Thunderstorms Likely

Showers and thunderstorms likely before 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Austell

When	Temp	Forecast	Wind	Precip
This Afternoon	72°F	Showers And Thunderstorms Likely	5 to 10 mph SE	56%
Tonight	62°F	Chance Showers And Thunderstorms then Showers And Thunderstorms Likely	0 to 5 mph S	59%
Thursday	76°F	Partly Sunny	0 to 5 mph W	9%
Thursday Night	54°F	Partly Cloudy	0 mph	5%
Friday	72°F	Mostly Sunny	5 to 10 mph NW	1%
Friday Night	46°F	Clear	5 to 10 mph NW	0%
Saturday	65°F	Sunny	10 mph NW	0%
Saturday Night	37°F	Mostly Clear	5 to 10 mph N	0%
Sunday	67°F	Sunny	5 mph N	0%
Sunday Night	38°F	Mostly Clear	0 to 5 mph NW	1%
Monday	68°F	Sunny	5 mph N	6%
Monday Night	38°F	Mostly Clear	0 to 5 mph N	6%
Tuesday	68°F	Mostly Sunny	0 to 5 mph N	5%
Tuesday Night	42°F	Partly Cloudy	0 to 5 mph NW	5%

Forecast source: National Weather Service (api.weather.gov) for Austell (33.820, -84.644). Updated through the day.

Growing snapshot for Austell

Last spring frost

Mar 27

First fall frost

Nov 7

Growing season

225 days

Hardiness zone

More local growing data for Austell: nearby ZIP 30111 weather · frost dates · planting calendar · Georgia frost dates

Nearby towns & communities

Acworth Fair Oaks Kennesaw Kennesaw State University Mableton Marietta Powder Springs Smyrna Vinings

All Georgia locations ›

Climate data from the nearest NOAA station, Mableton 1 N, Ga (4.6 mi from Austell). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.