National Weather Service Forecast for: Greenwood SC
Issued by: National Weather Service Greenville-Spartanburg, SC
Updated: 2:23 am EDT Aug 20, 2026
 
Today

Today: Sunny and hot, with a high near 98. Heat index values as high as 103. Calm wind.
Hot

 Tonight

Tonight: Partly cloudy, with a low around 73. Calm wind.
Partly Cloudy

 Friday

Friday: Showers and thunderstorms likely, mainly after 5pm. Increasing clouds, with a high near 94. Heat index values as high as 105. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny
then T-storms
Likely
 Friday
Night
Friday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 70. Light south southwest wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely then
Showers
Likely
 Saturday

Saturday: Mostly sunny, with a high near 91. Calm wind.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 70.
Mostly Clear

 Sunday

Sunday: Sunny, with a high near 93.
Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 69.
Mostly Clear

 Monday

Monday: Sunny, with a high near 91.
Sunny
Hi 98 °F Lo 73 °F Hi 94 °F Lo 70 °F Hi 91 °F Lo 70 °F Hi 93 °F Lo 69 °F Hi 91 °F

 

Today
 
 Sunny and hot, with a high near 98. Heat index values as high as 103. Calm wind.
Tonight
 
 Partly cloudy, with a low around 73. Calm wind.
Friday
 
 Showers and thunderstorms likely, mainly after 5pm. Increasing clouds, with a high near 94. Heat index values as high as 105. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
 
 Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 70. Light south southwest wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
 
 Mostly sunny, with a high near 91. Calm wind.
Saturday Night
 
 Mostly clear, with a low around 70.
Sunday
 
 Sunny, with a high near 93.
Sunday Night
 
 Mostly clear, with a low around 69.
Monday
 
 Sunny, with a high near 91.
Monday Night
 
 Mostly clear, with a low around 68.
Tuesday
 
 Sunny, with a high near 91.
Tuesday Night
 
 Mostly clear, with a low around 70.
Wednesday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

 

Forecast from NOAA-NWS for Greenwood SC.