National Weather Service Forecast for: Socastee SC
Issued by: National Weather Service Wilmington, NC
Updated: 3:00 am EDT Aug 20, 2026
 
Today

Today: A slight chance of showers and thunderstorms between 2pm and 3pm. Sunny, with a high near 93. Heat index values as high as 108. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Sunny then
Slight Chance
T-storms
 Tonight

Tonight: Partly cloudy, with a low around 77. South wind around 6 mph becoming calm after midnight.
Partly Cloudy

 Friday

Friday: A chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 91. Heat index values as high as 110. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny
then Chance
T-storms
 Friday
Night
Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 74. Southwest wind 3 to 7 mph. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely
 Saturday

Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 90. Southwest wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Showers
 Saturday
Night
Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 73. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers then
Chance
T-storms
 Sunday

Sunday: Mostly sunny, with a high near 90.
Mostly Sunny

 Sunday
Night
Sunday Night: Partly cloudy, with a low around 73.
Partly Cloudy

 Monday

Monday: Sunny, with a high near 89.
Sunny
Hi 93 °F Lo 77 °F Hi 91 °F Lo 74 °F Hi 90 °F Lo 73 °F Hi 90 °F Lo 73 °F Hi 89 °F

Heat Advisory
 

Today
 
 A slight chance of showers and thunderstorms between 2pm and 3pm. Sunny, with a high near 93. Heat index values as high as 108. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Tonight
 
 Partly cloudy, with a low around 77. South wind around 6 mph becoming calm after midnight.
Friday
 
 A chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 91. Heat index values as high as 110. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 74. Southwest wind 3 to 7 mph. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 90. Southwest wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
 
 Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 73. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
 
 Mostly sunny, with a high near 90.
Sunday Night
 
 Partly cloudy, with a low around 73.
Monday
 
 Sunny, with a high near 89.
Monday Night
 
 Partly cloudy, with a low around 73.
Tuesday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Tuesday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Wednesday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 40%.

 

Forecast from NOAA-NWS for Socastee SC.