Harman US

Portal, GA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Portal, a town in Bulloch County, Georgia.

Tonight
71°F
Mostly Clear
Mostly clear, with a low around 71. Southwest wind around 3 mph.

7-day forecast for Portal

WhenTempForecastWindPrecip
Tonight 71°F Mostly Clear 3 mph SW 6%
Saturday 93°F Mostly Sunny then Chance Showers And Thunderstorms 1 to 5 mph NE 41%
Saturday Night 71°F Chance Showers And Thunderstorms 0 to 5 mph E 43%
Sunday 91°F Mostly Sunny then Chance Showers And Thunderstorms 1 to 6 mph NE 47%
Sunday Night 71°F Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph E 47%
Monday 91°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 7 mph E 40%
Monday Night 71°F Chance Showers And Thunderstorms 0 to 6 mph E 40%
Tuesday 90°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 1 to 8 mph NE 52%
Tuesday Night 70°F Chance Showers And Thunderstorms 2 to 6 mph NE 52%
Wednesday 87°F Partly Sunny then Chance Showers And Thunderstorms 6 to 13 mph NE 35%
Wednesday Night 68°F Chance Showers And Thunderstorms then Partly Cloudy 7 to 13 mph NE 35%
Thursday 85°F Mostly Sunny 13 mph NE 10%
Thursday Night 66°F Partly Cloudy 5 to 12 mph NE 10%
Friday 85°F Mostly Sunny 7 to 12 mph NE 9%

Forecast source: National Weather Service (api.weather.gov) for Portal (32.538, -81.929). Updated through the day.

Growing snapshot for Portal

Last spring frost
Mar 14
First fall frost
Nov 15
Growing season
248 days
Hardiness zone
8b

More local growing data for Portal: nearby ZIP 30450 weather · frost dates · planting calendar · Georgia frost dates

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Climate data from the nearest NOAA station, Rocky Ford 4Se, Ga (10.4 mi from Portal). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.