Portal, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Portal, a town in Bulloch County, Georgia.
Overnight
71°F
Mostly Clear
Mostly clear, with a low around 71. Southwest wind around 2 mph.
7-day forecast for Portal
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Mostly Clear | 2 mph SW | 1% |
| Saturday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 5 mph NW | 37% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph NE | 34% |
| Sunday | 91°F | Mostly Sunny | 1 to 6 mph NE | 14% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 26% |
| Monday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 6 mph NE | 31% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 0 to 6 mph E | 34% |
| Tuesday | 89°F | Showers And Thunderstorms Likely | 1 to 8 mph E | 55% |
| Tuesday Night | 70°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 7 mph NE | 55% |
| Wednesday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 7 to 13 mph NE | 24% |
| Wednesday Night | 67°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 7 to 12 mph NE | 24% |
| Thursday | 84°F | Mostly Sunny | 9 to 14 mph NE | 11% |
| Thursday Night | 65°F | Partly Cloudy | 5 to 13 mph NE | 11% |
| Friday | 84°F | Mostly Sunny | 7 to 10 mph NE | 14% |
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 Sep 19, 2026.