National Weather Service Forecast for: Simpsonville SC
Issued by: National Weather Service Greenville-Spartanburg, SC
Updated: 2:23 pm EDT May 4, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 79. South southwest wind around 10 mph.
Sunny

 Tonight

Tonight: Partly cloudy, with a low around 50. South southwest wind 6 to 8 mph.
Partly Cloudy

 Tuesday

Tuesday: Sunny, with a high near 81. South southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Sunny

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 60. South wind 8 to 10 mph, with gusts as high as 20 mph.
Partly Cloudy

 Wednesday

Wednesday: A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 82. Southwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Mostly Cloudy
then Chance
Showers
 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Low around 64. Chance of precipitation is 80%.
Showers

 Thursday

Thursday: Showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers after 5pm. High near 78. Chance of precipitation is 90%.
Showers

 Thursday
Night
Thursday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 49.
Chance
Showers
 Friday

Friday: Partly sunny, with a high near 70.
Partly Sunny
Hi 79 °F Lo 50 °F Hi 81 °F Lo 60 °F Hi 82 °F Lo 64 °F Hi 78 °F Lo 49 °F Hi 70 °F

 

This Afternoon
 
 Sunny, with a high near 79. South southwest wind around 10 mph.
Tonight
 
 Partly cloudy, with a low around 50. South southwest wind 6 to 8 mph.
Tuesday
 
 Sunny, with a high near 81. South southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
 
 Partly cloudy, with a low around 60. South wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday
 
 A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 82. Southwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Low around 64. Chance of precipitation is 80%.
Thursday
 
 Showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers after 5pm. High near 78. Chance of precipitation is 90%.
Thursday Night
 
 A 30 percent chance of showers. Mostly cloudy, with a low around 49.
Friday
 
 Partly sunny, with a high near 70.
Friday Night
 
 Partly cloudy, with a low around 50.
Saturday
 
 Mostly sunny, with a high near 78.
Saturday Night
 
 Mostly clear, with a low around 54.
Sunday
 
 Mostly sunny, with a high near 77.

 

Forecast from NOAA-NWS for Simpsonville SC.