National Weather Service Forecast for: Saint Andrews SC
Issued by: National Weather Service Columbia, SC
Updated: 3:01 am EDT Jun 22, 2026
 
Today

Today: A chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 94. Heat index values as high as 102. Light southwest wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 30%.
Mostly Sunny
then Chance
T-storms
 Tonight

Tonight: A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 75. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.
Chance
T-storms

 Tuesday

Tuesday: A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 93. West wind around 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny
then Chance
T-storms
 Tuesday
Night
Tuesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 70. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Slight Chance
T-storms then
Slight Chance
Showers
 Wednesday

Wednesday: Sunny, with a high near 92. North wind 3 to 5 mph.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 72.
Mostly Clear

 Thursday

Thursday: Mostly sunny, with a high near 93.
Mostly Sunny

 Thursday
Night
Thursday Night: A chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Chance
T-storms

 Friday

Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 30%.
Mostly Sunny
then Chance
T-storms
Hi 94 °F Lo 75 °F Hi 93 °F Lo 70 °F Hi 92 °F Lo 72 °F Hi 93 °F Lo 73 °F Hi 95 °F

 

Today
 
 A chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 94. Heat index values as high as 102. Light southwest wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 30%.
Tonight
 
 A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 75. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.
Tuesday
 
 A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 93. West wind around 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
 
 A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 70. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
 
 Sunny, with a high near 92. North wind 3 to 5 mph.
Wednesday Night
 
 Mostly clear, with a low around 72.
Thursday
 
 Mostly sunny, with a high near 93.
Thursday Night
 
 A chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Friday
 
 A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 30%.
Friday Night
 
 A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Saturday
 
 Mostly sunny and hot, with a high near 97.
Saturday Night
 
 Mostly clear, with a low around 77.
Sunday
 
 Sunny and hot, with a high near 99.

 

Forecast from NOAA-NWS for Saint Andrews SC.