National Weather Service Forecast for: Simpsonville SC
Issued by: National Weather Service Greenville-Spartanburg, SC
Updated: 2:29 am EDT Jun 22, 2026
 
Today

Today: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. West southwest wind 7 to 16 mph, with gusts as high as 29 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny
then Chance
T-storms
 Tonight

Tonight: A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. 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 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. West wind around 8 mph becoming north northwest in the afternoon.
Mostly Sunny
then Slight
Chance
T-storms
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 66. North wind 6 to 8 mph.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 86. Northeast wind 5 to 8 mph becoming light and variable in the afternoon.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 68.
Mostly Clear

 Thursday

Thursday: Mostly sunny, with a high near 88.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 70.
Partly Cloudy

 Friday

Friday: Mostly sunny, with a high near 90.
Mostly Sunny
Hi 88 °F Lo 71 °F Hi 88 °F Lo 66 °F Hi 86 °F Lo 68 °F Hi 88 °F Lo 70 °F Hi 90 °F

 

Today
 
 A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. West southwest wind 7 to 16 mph, with gusts as high as 29 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
 A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. West wind around 8 mph becoming north northwest in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 66. North wind 6 to 8 mph.
Wednesday
 
 Sunny, with a high near 86. Northeast wind 5 to 8 mph becoming light and variable in the afternoon.
Wednesday Night
 
 Mostly clear, with a low around 68.
Thursday
 
 Mostly sunny, with a high near 88.
Thursday Night
 
 Partly cloudy, with a low around 70.
Friday
 
 Mostly sunny, with a high near 90.
Friday Night
 
 Partly cloudy, with a low around 72.
Saturday
 
 Sunny, with a high near 91.
Saturday Night
 
 Mostly clear, with a low around 73.
Sunday
 
 Sunny, with a high near 93.

 

Forecast from NOAA-NWS for Simpsonville SC.