Grantville, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grantville, a city in Coweta County, Georgia.
This Afternoon
73°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 73. South wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Grantville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Chance Showers And Thunderstorms | 5 mph S | 54% |
| Tonight | 63°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 52% |
| Thursday | 76°F | Slight Chance Rain Showers | 0 to 5 mph W | 17% |
| Thursday Night | 54°F | Partly Cloudy | 0 mph | 11% |
| Friday | 74°F | Mostly Sunny | 0 to 5 mph NW | 2% |
| Friday Night | 45°F | Clear | 5 mph NW | 0% |
| Saturday | 67°F | Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 36°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 68°F | Sunny | 0 mph | 0% |
| Sunday Night | 37°F | Partly Cloudy | 0 mph | 1% |
| Monday | 69°F | Mostly Sunny | 0 to 5 mph N | 9% |
| Monday Night | 37°F | Mostly Clear | 0 mph | 9% |
| Tuesday | 70°F | Mostly Sunny | 0 to 5 mph N | 7% |
| Tuesday Night | 40°F | Partly Cloudy | 0 mph | 7% |
Forecast source: National Weather Service (api.weather.gov) for Grantville (33.237, -84.830). Updated through the day.
Growing snapshot for Grantville
Last spring frost
Apr 3
First fall frost
Nov 2
Growing season
214 days
Hardiness zone
8a
More local growing data for Grantville: nearby ZIP 30220 weather · frost dates · planting calendar · Georgia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Newnan 7 Wnw, Ga (12.8 mi from Grantville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.