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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

WhenTempForecastWindPrecip
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

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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.