Grantville, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grantville, a city in Coweta County, Georgia.
Today
73°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 73. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Grantville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Showers And Thunderstorms | 5 to 10 mph S | 90% |
| Tonight | 63°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 59% |
| Thursday | 77°F | Slight Chance Rain Showers | 0 to 5 mph W | 24% |
| Thursday Night | 54°F | Slight Chance Rain Showers | 0 mph | 16% |
| Friday | 75°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph NW | 15% |
| Friday Night | 44°F | Mostly Clear | 0 to 5 mph NW | 3% |
| Saturday | 68°F | Sunny | 5 to 10 mph NW | 0% |
| Saturday Night | 37°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 66°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Sunday Night | 36°F | Mostly Clear | 0 mph | 1% |
| Monday | 67°F | Sunny | 0 to 5 mph N | 3% |
| Monday Night | 36°F | Mostly Clear | 0 mph | 3% |
| Tuesday | 69°F | Sunny | 0 to 5 mph NW | 6% |
| Tuesday Night | 38°F | Mostly Clear | 0 mph | 6% |
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 4, 2026.