Porterdale, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Porterdale, a city in Newton County, Georgia.
Today
88°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely after 10am. Mostly sunny. High near 88, with temperatures falling to around 84 in the afternoon. East wind around 0 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Porterdale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Showers And Thunderstorms Likely | 0 mph | 69% |
| Tonight | 69°F | Chance Showers And Thunderstorms | 0 mph | 51% |
| Wednesday | 88°F | Slight Chance Rain Showers then Showers And Thunderstorms Likely | 0 to 5 mph SE | 67% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 40% |
| Thursday | 90°F | Mostly Sunny then Showers And Thunderstorms Likely | 0 mph | 62% |
| Thursday Night | 70°F | Showers And Thunderstorms Likely | 0 mph | 62% |
| Friday | 90°F | Chance Showers And Thunderstorms | 0 mph | 33% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 33% |
| Saturday | 91°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 mph | 34% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 0 mph | 34% |
| Sunday | 91°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 mph | 44% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms | 0 mph | 44% |
| Monday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 38% |
| Monday Night | 72°F | Chance Showers And Thunderstorms | 0 mph | 38% |
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 Aug 4, 2026.