NWS Forecast for Port Royal SC

National Weather Service Forecast for: Port Royal SC
Issued by: National Weather Service Charleston, SC

Updated: 12:22 am EST Feb 2, 2026

Overnight Mostly Clear	Monday Sunny	Monday Night Clear	Tuesday Mostly Sunny	Tuesday Night Mostly Cloudy then Slight Chance Showers	Wednesday Showers Likely	Wednesday Night Showers Likely	Thursday Mostly Cloudy	Thursday Night Mostly Clear
Lo 24 °F	Hi 46 °F	Lo 28 °F	Hi 56 °F	Lo 45 °F	Hi 57 °F	Lo 40 °F	Hi 49 °F	Lo 33 °F

Cold Weather Advisory
Special Weather Statement

Overnight	Mostly clear, with a low around 24. Northwest wind around 5 mph.
Monday	Sunny, with a high near 46. Northwest wind around 6 mph.
Monday Night	Clear, with a low around 28. Calm wind.
Tuesday	Mostly sunny, with a high near 56. Calm wind becoming southwest 5 to 7 mph in the morning.
Tuesday Night	A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 45. Southwest wind around 7 mph.
Wednesday	Showers likely, mainly after 1pm. Cloudy, with a high near 57. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night	Showers likely, mainly before 1am. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Thursday	Mostly cloudy, with a high near 49.
Thursday Night	Mostly clear, with a low around 33.
Friday	Sunny, with a high near 57.
Friday Night	Clear, with a low around 40.
Saturday	Sunny, with a high near 57.
Saturday Night	Mostly clear, with a low around 35.
Sunday	Sunny, with a high near 55.

Forecast from NOAA-NWS for Port Royal SC.