Grantville, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grantville, a city in Coweta County, Georgia.
This Afternoon
95°F
Sunny
Sunny, with a high near 95. Heat index values as high as 100. North wind around 0 mph.
7-day forecast for Grantville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 95°F | Sunny | 0 mph | 5% |
| Tonight | 70°F | Mostly Clear | 0 mph | 11% |
| Saturday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 21% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 42% |
| Sunday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 23% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms | 0 mph | 23% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 41% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 41% |
| Tuesday | 90°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph NE | 44% |
| Tuesday Night | 68°F | Chance Showers And Thunderstorms | 0 mph | 44% |
| Wednesday | 86°F | Chance Rain Showers | 0 to 5 mph NE | 30% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph NE | 30% |
| Thursday | 84°F | Mostly Sunny | 5 to 10 mph NE | 8% |
| Thursday Night | 61°F | Mostly Clear | 0 to 5 mph N | 8% |
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 Sep 19, 2026.