Portal, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Portal, a town in Bulloch County, Georgia.
This Afternoon
82°F
Mostly Sunny
Mostly sunny, with a high near 82. East wind around 15 mph, with gusts as high as 23 mph.
7-day forecast for Portal
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Mostly Sunny | 15 mph E | 5% |
| Tonight | 64°F | Partly Cloudy | 6 to 14 mph E | 4% |
| Wednesday | 83°F | Patchy Fog then Mostly Cloudy | 5 to 13 mph SE | 4% |
| Wednesday Night | 65°F | Chance Rain Showers | 2 to 12 mph SE | 41% |
| Thursday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph S | 31% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms | 3 mph S | 31% |
| Friday | 81°F | Chance Showers And Thunderstorms | 3 to 9 mph SW | 30% |
| Friday Night | 54°F | Slight Chance Rain Showers | 5 mph NW | 22% |
| Saturday | 77°F | Mostly Sunny | 3 to 7 mph NW | 8% |
| Saturday Night | 49°F | Partly Cloudy | 3 mph N | 8% |
| Sunday | 73°F | Mostly Sunny | 6 mph N | 7% |
| Sunday Night | 46°F | Partly Cloudy | 5 mph NW | 12% |
| Monday | 71°F | Slight Chance Rain Showers | 5 to 9 mph NW | 15% |
| Monday Night | 42°F | Slight Chance Rain Showers | 5 mph W | 15% |
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 Nov 3, 2026.