National Weather Service Forecast for: Port Royal SC
Issued by: National Weather Service Charleston, SC
Updated: 4:13 pm EST Dec 23, 2025
 
Tonight

Tonight: Clear, with a low around 53. Calm wind becoming west around 5 mph after midnight.
Clear
Wednesday

Wednesday: Sunny, with a high near 72. West wind around 6 mph becoming light and variable  in the afternoon.
Sunny
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 53. Calm wind.
Partly Cloudy
Christmas
Day
Christmas Day: Partly sunny, then gradually becoming sunny, with a high near 72. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Becoming
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 55. Light southwest wind.
Mostly Clear
Friday

Friday: Mostly sunny, with a high near 71.
Mostly Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 56.
Partly Cloudy
Saturday

Saturday: Mostly sunny, with a high near 72.
Mostly Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 57.
Mostly Clear
Lo 53 °F Hi 72 °F Lo 53 °F Hi 72 °F Lo 55 °F Hi 71 °F Lo 56 °F Hi 72 °F Lo 57 °F

 

Tonight
 
Clear, with a low around 53. Calm wind becoming west around 5 mph after midnight.
Wednesday
 
Sunny, with a high near 72. West wind around 6 mph becoming light and variable in the afternoon.
Wednesday Night
 
Partly cloudy, with a low around 53. Calm wind.
Christmas Day
 
Partly sunny, then gradually becoming sunny, with a high near 72. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
 
Mostly clear, with a low around 55. Light southwest wind.
Friday
 
Mostly sunny, with a high near 71.
Friday Night
 
Partly cloudy, with a low around 56.
Saturday
 
Mostly sunny, with a high near 72.
Saturday Night
 
Mostly clear, with a low around 57.
Sunday
 
Mostly sunny, with a high near 72.
Sunday Night
 
Partly cloudy, with a low around 53.
Monday
 
A 20 percent chance of rain. Partly sunny, with a high near 61.
Monday Night
 
Partly cloudy, with a low around 31.
Tuesday
 
Sunny, with a high near 46.

 

Forecast from NOAA-NWS for Port Royal SC.