Port Royal, SC Weather & Growing Conditions
This Afternoon
79°F
Sunny
Sunny, with a high near 79. East wind around 12 mph, with gusts as high as 24 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Sunny | 12 mph E | 3% |
| Tonight | 67°F | Partly Cloudy | 5 to 10 mph E | 4% |
| Wednesday | 79°F | Partly Sunny | 5 to 9 mph E | 6% |
| Wednesday Night | 67°F | Mostly Cloudy | 0 to 3 mph SE | 3% |
| Thursday | 80°F | Mostly Sunny | 0 to 6 mph S | 5% |
| Thursday Night | 67°F | Partly Cloudy | 3 mph S | 6% |
| Friday | 79°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 42% |
| Friday Night | 60°F | Chance Showers And Thunderstorms | 3 mph W | 42% |
| Saturday | 77°F | Mostly Sunny | 3 mph NW | 7% |
| Saturday Night | 54°F | Partly Cloudy then Slight Chance Rain Showers | 3 mph N | 15% |
| Sunday | 72°F | Slight Chance Rain Showers then Mostly Sunny | 5 mph NE | 15% |
| Sunday Night | 51°F | Partly Cloudy | 2 to 6 mph W | 13% |
| Monday | 70°F | Slight Chance Rain Showers | 5 to 8 mph NW | 15% |
| Monday Night | 49°F | Slight Chance Rain Showers | 5 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port Royal, SC
Last spring frost
Mar 3
First fall frost
Dec 9
Growing season
282 days
Hardiness zone
9a
Explore more for Port Royal, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Beaufort Wwtp, Sc (0.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.