National Weather Service Forecast for: Lexington SC
Issued by: National Weather Service Columbia, SC
Updated: 2:47 pm EDT Jun 18, 2026
 
Tonight

Tonight: Showers and possibly a thunderstorm. Low around 70. South wind 7 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Juneteenth

Juneteenth: Showers, with thunderstorms also possible after 4pm. High near 89. West wind 11 to 16 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers then
Chance
T-storms
 Friday
Night
Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Partly cloudy, with a low around 68. West wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Slight Chance
Showers
 Saturday

Saturday: Mostly sunny, with a high near 89. North wind around 5 mph becoming calm in the afternoon.
Mostly Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 69. Calm wind.
Partly Cloudy

 Sunday

Sunday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
T-storms
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 72.
Partly Cloudy

 Monday

Monday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Mostly Sunny
then Chance
T-storms
 Monday
Night
Monday Night: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Chance
T-storms
Lo 70 °F Hi 89 °F Lo 68 °F Hi 89 °F Lo 69 °F Hi 92 °F Lo 72 °F Hi 91 °F Lo 74 °F

 

Tonight
 
 Showers and possibly a thunderstorm. Low around 70. South wind 7 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Juneteenth
 
 Showers, with thunderstorms also possible after 4pm. High near 89. West wind 11 to 16 mph. Chance of precipitation is 80%. 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 before midnight, then a slight chance of showers between midnight and 2am. Partly cloudy, with a low around 68. West wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
 
 Mostly sunny, with a high near 89. North wind around 5 mph becoming calm in the afternoon.
Saturday Night
 
 Partly cloudy, with a low around 69. Calm wind.
Sunday
 
 A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
Sunday Night
 
 Partly cloudy, with a low around 72.
Monday
 
 A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Monday Night
 
 A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Tuesday
 
 A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Tuesday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Wednesday
 
 Mostly sunny, with a high near 90.
Wednesday Night
 
 Partly cloudy, with a low around 70.
Thursday
 
 Mostly sunny, with a high near 91.

 

Forecast from NOAA-NWS for Lexington SC.