Grantville, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grantville, a city in Coweta County, Georgia.
Today
87°F
Showers And Thunderstorms Likely
Patchy fog before 8am, then showers and thunderstorms likely. Mostly sunny, with a high near 87. West wind around 0 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Grantville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Showers And Thunderstorms Likely | 0 mph | 57% |
| Tonight | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 48% |
| Wednesday | 88°F | Slight Chance Rain Showers then Showers And Thunderstorms Likely | 0 mph | 69% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 28% |
| Thursday | 90°F | Chance Showers And Thunderstorms | 0 mph | 52% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 52% |
| Friday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 37% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 37% |
| Saturday | 90°F | Chance Showers And Thunderstorms | 0 mph | 33% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 33% |
| Sunday | 90°F | Chance Showers And Thunderstorms | 0 mph | 45% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 0 mph | 45% |
| Monday | 90°F | Chance Showers And Thunderstorms | 0 mph | 43% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 0 mph | 43% |
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 Aug 4, 2026.