Porterdale, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Porterdale, a city in Newton County, Georgia.
Today
94°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 94. Heat index values as high as 102. Northeast wind around 0 mph. Chance of precipitation is 20%.
7-day forecast for Porterdale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 23% |
| Tonight | 70°F | Chance Showers And Thunderstorms | 0 mph | 32% |
| Sunday | 91°F | Mostly Sunny | 0 mph | 5% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 15% |
| Monday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 23% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 56% |
| Tuesday | 88°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 61% |
| Tuesday Night | 68°F | Showers And Thunderstorms Likely | 5 mph E | 61% |
| Wednesday | 82°F | Chance Rain Showers | 5 to 10 mph NE | 30% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph NE | 27% |
| Thursday | 81°F | Mostly Sunny | 5 to 10 mph NE | 11% |
| Thursday Night | 62°F | Partly Cloudy | 0 to 5 mph NE | 11% |
| Friday | 82°F | Mostly Sunny | 5 mph NE | 8% |
| Friday Night | 61°F | Partly Cloudy | 0 to 5 mph NE | 8% |
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 Sep 19, 2026.