Port Royal, SC Weather & Growing Conditions
Today
81°F
Patchy Fog then Partly Sunny
Patchy fog before 9am. Partly sunny, with a high near 81. Southeast wind 6 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Patchy Fog then Partly Sunny | 6 to 10 mph SE | 1% |
| Tonight | 67°F | Mostly Cloudy | 0 to 5 mph SE | 6% |
| Thursday | 82°F | Patchy Fog then Mostly Sunny | 0 to 6 mph S | 4% |
| Thursday Night | 67°F | Partly Cloudy | 3 mph S | 8% |
| Friday | 81°F | Chance Rain Showers | 2 to 6 mph SW | 39% |
| Friday Night | 59°F | Chance Rain Showers then Partly Cloudy | 5 mph W | 39% |
| Saturday | 76°F | Sunny | 6 mph NW | 1% |
| Saturday Night | 53°F | Partly Cloudy | 5 mph N | 1% |
| Sunday | 72°F | Mostly Sunny | 2 to 6 mph NE | 2% |
| Sunday Night | 50°F | Partly Cloudy | 0 to 3 mph NE | 4% |
| Monday | 70°F | Mostly Sunny | 5 mph N | 5% |
| Monday Night | 49°F | Mostly Clear then Slight Chance Rain Showers | 2 mph N | 15% |
| Tuesday | 72°F | Slight Chance Rain Showers then Sunny | 3 mph N | 15% |
| Tuesday Night | 50°F | Mostly Clear | 2 mph NW | 9% |
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 (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.