National Weather Service Forecast for: Hilton Head Island SC
Issued by: National Weather Service Charleston, SC
Updated: 7:33 pm EST Dec 17, 2025
 
Overnight

Overnight: A 40 percent chance of rain, mainly after 2am. Cloudy, with a low around 55. Calm wind becoming east around 5 mph.
Chance Rain
 Thursday

Thursday: A chance of rain before 10am, then a chance of rain and thunderstorms between 10am and 1pm, then rain likely after 1pm. Cloudy, with a high near 66. East wind 6 to 8 mph becoming south in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Rain Likely
 Thursday
Night
Thursday Night: Rain and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms between 1am and 4am, then a chance of rain after 4am. Low around 59. South wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Rain
 Friday

Friday: Partly sunny, then gradually becoming sunny, with a high near 65. West wind 9 to 14 mph.
Becoming
Sunny
 Friday
Night
Friday Night: Clear, with a low around 44. Northwest wind around 6 mph.
Clear
 Saturday

Saturday: Sunny, with a high near 61.
Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 48.
Mostly Clear
 Sunday

Sunday: Sunny, with a high near 66.
Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around 47.
Mostly Clear
Lo 55 °F Hi 66 °F Lo 59 °F Hi 65 °F Lo 44 °F Hi 61 °F Lo 48 °F Hi 66 °F Lo 47 °F

 

Overnight
 
 A 40 percent chance of rain, mainly after 2am. Cloudy, with a low around 55. Calm wind becoming east around 5 mph.
Thursday
 
 A chance of rain before 10am, then a chance of rain and thunderstorms between 10am and 1pm, then rain likely after 1pm. Cloudy, with a high near 66. East wind 6 to 8 mph becoming south in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
 
 Rain and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms between 1am and 4am, then a chance of rain after 4am. Low around 59. South wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
 
 Partly sunny, then gradually becoming sunny, with a high near 65. West wind 9 to 14 mph.
Friday Night
 
 Clear, with a low around 44. Northwest wind around 6 mph.
Saturday
 
 Sunny, with a high near 61.
Saturday Night
 
 Mostly clear, with a low around 48.
Sunday
 
 Sunny, with a high near 66.
Sunday Night
 
 Mostly clear, with a low around 47.
Monday
 
 Mostly sunny, with a high near 57.
Monday Night
 
 Partly cloudy, with a low around 48.
Tuesday
 
 Mostly sunny, with a high near 64.
Tuesday Night
 
 Mostly clear, with a low around 51.
Wednesday
 
 Sunny, with a high near 67.

 

Forecast from NOAA-NWS for Hilton Head Island SC.