Porterdale, GA Weather & Growing Conditions
Tonight
64°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 64. South wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph S | 65% |
| Thursday | 77°F | Partly Sunny then Chance Rain Showers | 0 to 5 mph SW | 25% |
| Thursday Night | 58°F | Mostly Cloudy then Slight Chance Rain Showers | 0 mph | 17% |
| Friday | 75°F | Mostly Sunny | 0 to 5 mph W | 11% |
| Friday Night | 49°F | Mostly Clear | 5 mph NW | 1% |
| Saturday | 70°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 42°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 69°F | Sunny | 0 mph | 0% |
| Sunday Night | 41°F | Mostly Clear | 0 mph | 1% |
| Monday | 70°F | Mostly Sunny | 0 mph | 5% |
| Monday Night | 41°F | Mostly Clear | 0 mph | 6% |
| Tuesday | 70°F | Mostly Sunny | 0 to 5 mph N | 6% |
| Tuesday Night | 44°F | Partly Cloudy | 0 mph | 6% |
| Veterans Day | 70°F | Mostly Sunny | 0 mph | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Porterdale, GA
Last spring frost
Mar 31
First fall frost
Nov 6
Growing season
220 days
Hardiness zone
8a
Explore more for Porterdale, GA: full frost dates · planting calendar · Georgia frost dates
Climate data from the nearest NOAA station, Mcdonough 5 Ene, Ga (6.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.