National Weather Service Forecast for: Spartanburg SC
Issued by: National Weather Service Greenville-Spartanburg, SC
Updated: 6:08 am EDT Jun 23, 2025
 
Today

Today: Sunny and hot, with a high near 97. Heat index values as high as 100. Calm wind.
Hot

Tonight

Tonight: Clear, with a low around 74. Calm wind.
Clear

Tuesday

Tuesday: Sunny and hot, with a high near 98. Heat index values as high as 103. Light and variable wind.
Hot

Tuesday
Night
Tuesday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 75. Calm wind.
Slight Chance
T-storms then
Partly Cloudy
Wednesday

Wednesday: A 20 percent chance of showers and thunderstorms after 3pm.  Mostly sunny and hot, with a high near 96. Light north wind.
Mostly Sunny
then Slight
Chance
T-storms
Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Chance
T-storms

Thursday

Thursday: A 30 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 93.
Mostly Sunny
then Chance
T-storms
Thursday
Night
Thursday Night: A 30 percent chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 71.
Chance
T-storms then
Partly Cloudy
Friday

Friday: A 30 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 90.
Mostly Sunny
then Chance
T-storms
Hi 97 °F Lo 74 °F Hi 98 °F Lo 75 °F Hi 96 °F Lo 72 °F Hi 93 °F Lo 71 °F Hi 90 °F

Hazardous Weather Outlook
 

Today
 
Sunny and hot, with a high near 97. Heat index values as high as 100. Calm wind.
Tonight
 
Clear, with a low around 74. Calm wind.
Tuesday
 
Sunny and hot, with a high near 98. Heat index values as high as 103. Light and variable wind.
Tuesday Night
 
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 75. Calm wind.
Wednesday
 
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 96. Light north wind.
Wednesday Night
 
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Thursday
 
A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 93.
Thursday Night
 
A 30 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 71.
Friday
 
A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 90.
Friday Night
 
A 30 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 72.
Saturday
 
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Saturday Night
 
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday
 
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

 

Forecast from NOAA-NWS for Spartanburg SC.