National Weather Service Forecast for: Lexington 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 3pm and 5pm. Mostly sunny, with a high near 93. Heat index values as high as 103. Southwest wind 5 to 14 mph. Chance of precipitation is 30%.
Mostly Sunny
then Chance
T-storms
 Tonight

Tonight: A chance of showers and thunderstorms, mainly between midnight and 2am. Partly cloudy, with a low around 74. Southwest wind around 10 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 then
Chance
Showers
 Tuesday

Tuesday: A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 93. Heat index values as high as 100. West wind around 11 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. North wind 3 to 6 mph. 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 7 mph.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 71.
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: Mostly sunny, with a high near 94.
Mostly Sunny
Hi 93 °F Lo 74 °F Hi 93 °F Lo 70 °F Hi 92 °F Lo 71 °F Hi 93 °F Lo 73 °F Hi 94 °F

 

Today
 
 A chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 93. Heat index values as high as 103. Southwest wind 5 to 14 mph. Chance of precipitation is 30%.
Tonight
 
 A chance of showers and thunderstorms, mainly between midnight and 2am. Partly cloudy, with a low around 74. Southwest wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
 A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 93. Heat index values as high as 100. West wind around 11 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. North wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday
 
 Sunny, with a high near 92. North wind 3 to 7 mph.
Wednesday Night
 
 Mostly clear, with a low around 71.
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
 
 Mostly sunny, with a high near 94.
Friday Night
 
 Partly cloudy, with a low around 75.
Saturday
 
 Mostly sunny, with a high near 96.
Saturday Night
 
 Mostly clear, with a low around 76.
Sunday
 
 Sunny and hot, with a high near 98.

 

Forecast from NOAA-NWS for Lexington SC.