National Weather Service Forecast for: Port Royal SC
Issued by: National Weather Service Charleston, SC
Updated: 9:05 am EDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 65. Northeast wind around 7 mph.
Sunny
 Tonight

Tonight: Mostly clear, with a low around 46. Calm wind.
Mostly Clear
 Friday

Friday: Sunny, with a high near 71. Calm wind becoming east around 5 mph in the afternoon.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 53. South wind 3 to 5 mph.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 79. West wind 6 to 9 mph.
Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 61.
Mostly Clear
 Sunday

Sunday: Sunny, with a high near 83.
Sunny
 Sunday
Night
Sunday Night: Clear, with a low around 63.
Clear
 Monday

Monday: Sunny, with a high near 85.
Sunny
Hi 65 °F Lo 46 °F Hi 71 °F Lo 53 °F Hi 79 °F Lo 61 °F Hi 83 °F Lo 63 °F Hi 85 °F

 

This Afternoon
 
 Sunny, with a high near 65. Northeast wind around 7 mph.
Tonight
 
 Mostly clear, with a low around 46. Calm wind.
Friday
 
 Sunny, with a high near 71. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
 
 Mostly clear, with a low around 53. South wind 3 to 5 mph.
Saturday
 
 Sunny, with a high near 79. West wind 6 to 9 mph.
Saturday Night
 
 Mostly clear, with a low around 61.
Sunday
 
 Sunny, with a high near 83.
Sunday Night
 
 Clear, with a low around 63.
Monday
 
 Sunny, with a high near 85.
Monday Night
 
 A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 53.
Tuesday
 
 Mostly sunny, with a high near 65.
Tuesday Night
 
 Partly cloudy, with a low around 50.
Wednesday
 
 Mostly sunny, with a high near 72.

 

Forecast from NOAA-NWS for Port Royal SC.