Port Royal, SC Weather & Growing Conditions
This Afternoon
92°F
Sunny
Sunny, with a high near 92. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Sunny | 5 mph S | 2% |
| Tonight | 74°F | Partly Cloudy | 1 to 5 mph SW | 6% |
| Saturday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 5 mph N | 16% |
| Saturday Night | 75°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 33% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 1 to 6 mph NE | 51% |
| Sunday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 51% |
| Monday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 6 mph NE | 42% |
| Monday Night | 74°F | Chance Showers And Thunderstorms | 1 to 5 mph E | 46% |
| Tuesday | 86°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 6 mph NE | 68% |
| Tuesday Night | 73°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 6 mph NE | 68% |
| Wednesday | 85°F | Chance Rain Showers then Chance Showers And Thunderstorms | 7 to 10 mph NE | 49% |
| Wednesday Night | 71°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 49% |
| Thursday | 83°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 10 to 14 mph NE | 20% |
| Thursday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 to 9 mph NE | 20% |
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 Sep 19, 2026.