National Weather Service Forecast for: Clemson SC
Issued by: National Weather Service Greenville-Spartanburg, SC
Updated: 5:44 am EDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 65. Southwest wind 3 to 5 mph.
Mostly Sunny
 Tonight

Tonight: Mostly clear, with a low around 39. Calm wind.
Mostly Clear
 Friday

Friday: Sunny, with a high near 73. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Sunny
 Friday
Night
Friday Night: Partly cloudy, with a low around 50. West southwest wind 3 to 5 mph.
Partly Cloudy
 Saturday

Saturday: Mostly sunny, with a high near 82. West southwest wind 3 to 7 mph.
Mostly Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 54.
Mostly Clear
 Sunday

Sunday: Sunny, with a high near 84.
Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around 60.
Mostly Clear
 Monday

Monday: Mostly sunny, with a high near 83.
Mostly Sunny
Hi 65 °F Lo 39 °F Hi 73 °F Lo 50 °F Hi 82 °F Lo 54 °F Hi 84 °F Lo 60 °F Hi 83 °F

 

This Afternoon
 
 Mostly sunny, with a high near 65. Southwest wind 3 to 5 mph.
Tonight
 
 Mostly clear, with a low around 39. Calm wind.
Friday
 
 Sunny, with a high near 73. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Friday Night
 
 Partly cloudy, with a low around 50. West southwest wind 3 to 5 mph.
Saturday
 
 Mostly sunny, with a high near 82. West southwest wind 3 to 7 mph.
Saturday Night
 
 Mostly clear, with a low around 54.
Sunday
 
 Sunny, with a high near 84.
Sunday Night
 
 Mostly clear, with a low around 60.
Monday
 
 Mostly sunny, with a high near 83.
Monday Night
 
 Mostly clear, with a low around 45.
Tuesday
 
 Mostly sunny, with a high near 65.
Tuesday Night
 
 Mostly cloudy, with a low around 44.
Wednesday
 
 Mostly sunny, with a high near 69.

 

Forecast from NOAA-NWS for Clemson SC.