National Weather Service Forecast for: Greenwood SC
Issued by: National Weather Service Greenville-Spartanburg, SC
Updated: 9:30 pm EDT Jun 18, 2026
 
Tonight

Tonight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Patchy fog before 2am, then patchy fog after 3am. Low around 69. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Heavy Rain
and Patchy
Fog
 Juneteenth

Juneteenth: A chance of showers before 1pm, then a slight chance of showers and thunderstorms after 5pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 87. West wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
Heavy Rain
then Slight
Chance
T-storms
 Friday
Night
Friday Night: Partly cloudy, with a low around 65. West wind around 5 mph becoming calm in the evening.
Partly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 86. East northeast wind around 5 mph becoming calm in the afternoon.
Mostly Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 66. Calm wind.
Partly Cloudy

 Sunday

Sunday: Sunny, with a high near 89.
Sunny

 Sunday
Night
Sunday Night: A chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Chance
T-storms

 Monday

Monday: A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Chance
Showers then
Chance
T-storms
 Monday
Night
Monday Night: A 50 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71.
Chance
T-storms
Lo 69 °F Hi 87 °F Lo 65 °F Hi 86 °F Lo 66 °F Hi 89 °F Lo 70 °F Hi 88 °F Lo 71 °F

Special Weather Statement
 

Tonight
 
 Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Patchy fog before 2am, then patchy fog after 3am. Low around 69. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Juneteenth
 
 A chance of showers before 1pm, then a slight chance of showers and thunderstorms after 5pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 87. West wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
 
 Partly cloudy, with a low around 65. West wind around 5 mph becoming calm in the evening.
Saturday
 
 Mostly sunny, with a high near 86. East northeast wind around 5 mph becoming calm in the afternoon.
Saturday Night
 
 Partly cloudy, with a low around 66. Calm wind.
Sunday
 
 Sunny, with a high near 89.
Sunday Night
 
 A chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Monday
 
 A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Monday Night
 
 A 50 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71.
Tuesday
 
 A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.
Tuesday Night
 
 A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Wednesday
 
 Mostly sunny, with a high near 87.
Wednesday Night
 
 Partly cloudy, with a low around 67.
Thursday
 
 Mostly sunny, with a high near 88.

 

Forecast from NOAA-NWS for Greenwood SC.