Porterdale, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Porterdale, a city in Newton County, Georgia.
Overnight
64°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 64. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
7-day forecast for Porterdale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Chance Rain Showers | 10 mph E | 26% |
| Wednesday | 75°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 83% |
| Wednesday Night | 64°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 62% |
| Thursday | 78°F | Chance Rain Showers | 0 to 5 mph SW | 30% |
| Thursday Night | 58°F | Mostly Cloudy then Chance Rain Showers | 0 mph | 26% |
| Friday | 77°F | Chance Rain Showers then Mostly Sunny | 0 to 5 mph NW | 26% |
| Friday Night | 47°F | Clear | 5 mph NW | 1% |
| Saturday | 71°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 41°F | Partly Cloudy | 0 to 5 mph NW | 0% |
| Sunday | 69°F | Mostly Sunny | 0 mph | 1% |
| Sunday Night | 40°F | Mostly Clear | 0 to 5 mph NW | 1% |
| Monday | 69°F | Sunny | 0 to 5 mph NW | 1% |
| Monday Night | 39°F | Mostly Clear | 0 mph | 2% |
| Tuesday | 71°F | Sunny | 0 to 5 mph NW | 5% |
Forecast source: National Weather Service (api.weather.gov) for Porterdale (33.574, -83.895). Updated through the day.
Growing snapshot for Porterdale
Last spring frost
Mar 22
First fall frost
Nov 14
Growing season
238 days
Hardiness zone
8b
More local growing data for Porterdale: nearby ZIP 30070 weather · frost dates · planting calendar · Georgia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Covington, Ga (3.4 mi from Porterdale). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.