Portal, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Portal, a town in Bulloch County, Georgia.
Today
90°F
Patchy Fog then Showers And Thunderstorms Likely
Patchy fog before 8am, then showers and thunderstorms likely. Mostly sunny, with a high near 90. Southeast wind 1 to 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Portal
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Patchy Fog then Showers And Thunderstorms Likely | 1 to 6 mph SE | 59% |
| Tonight | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph S | 54% |
| Wednesday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 8 mph S | 28% |
| Wednesday Night | 71°F | Chance Showers And Thunderstorms | 3 to 7 mph S | 36% |
| Thursday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph S | 47% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 1 to 6 mph SE | 47% |
| Friday | 93°F | Chance Showers And Thunderstorms | 1 to 9 mph E | 43% |
| Friday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 8 mph E | 43% |
| Saturday | 92°F | Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 8 mph E | 46% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 7 mph SE | 46% |
| Sunday | 93°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 6 mph S | 44% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph S | 44% |
| Monday | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph SW | 36% |
| Monday Night | 73°F | Chance Showers And Thunderstorms | 3 mph SW | 36% |
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
Nearby towns & communities
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 Aug 4, 2026.