National Weather Service Forecast for: Lexington SC
Issued by: National Weather Service Columbia, SC
Updated: 2:28 pm EDT Jul 28, 2026
 
Tonight

Tonight: A chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, then gradually becoming clear, with a low around 75. West wind 6 to 11 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms
Wednesday

Wednesday: Sunny, with a high near 95. Heat index values as high as 101. North wind 5 to 7 mph.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 70. North wind around 5 mph.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 92. North wind around 7 mph.
Sunny
Thursday
Night
Thursday Night: Clear, with a low around 69. Calm wind.
Clear
Friday

Friday: Sunny, with a high near 94.
Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 73.
Partly Cloudy
Saturday

Saturday: Mostly sunny, with a high near 93.
Mostly Sunny
Saturday
Night
Saturday Night: A chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Chance
Showers
Lo 75 °F Hi 95 °F Lo 70 °F Hi 92 °F Lo 69 °F Hi 94 °F Lo 73 °F Hi 93 °F Lo 72 °F

Heat Advisory
 

Tonight
 
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, then gradually becoming clear, with a low around 75. West wind 6 to 11 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
Sunny, with a high near 95. Heat index values as high as 101. North wind 5 to 7 mph.
Wednesday Night
 
Mostly clear, with a low around 70. North wind around 5 mph.
Thursday
 
Sunny, with a high near 92. North wind around 7 mph.
Thursday Night
 
Clear, with a low around 69. Calm wind.
Friday
 
Sunny, with a high near 94.
Friday Night
 
Partly cloudy, with a low around 73.
Saturday
 
Mostly sunny, with a high near 93.
Saturday Night
 
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Sunday
 
Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 90. Chance of precipitation is 70%.
Sunday Night
 
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Monday
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.
Monday Night
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Tuesday
 
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.

 

Forecast from NOAA-NWS for Lexington SC.