National Weather Service Forecast for: Fort Mill SC
Issued by: National Weather Service Greenville-Spartanburg, SC
Updated: 6:25 am EDT Oct 6, 2026
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 75. East northeast wind around 7 mph.
Mostly Sunny
 Tonight

Tonight: Clear, with a low around 48. Light east wind.
Clear
 Wednesday

Wednesday: Sunny, with a high near 78. Calm wind.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 51. Calm wind.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 84. Calm wind.
Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 56.
Partly Cloudy
 Friday

Friday: Mostly sunny, with a high near 81.
Mostly Sunny
 Friday
Night
Friday Night: Mostly cloudy, with a low around 55.
Mostly Cloudy
 Saturday

Saturday: Partly sunny, with a high near 75.
Partly Sunny
Hi 75 °F Lo 48 °F Hi 78 °F Lo 51 °F Hi 84 °F Lo 56 °F Hi 81 °F Lo 55 °F Hi 75 °F

 

This Afternoon
 
 Mostly sunny, with a high near 75. East northeast wind around 7 mph.
Tonight
 
 Clear, with a low around 48. Light east wind.
Wednesday
 
 Sunny, with a high near 78. Calm wind.
Wednesday Night
 
 Mostly clear, with a low around 51. Calm wind.
Thursday
 
 Sunny, with a high near 84. Calm wind.
Thursday Night
 
 Partly cloudy, with a low around 56.
Friday
 
 Mostly sunny, with a high near 81.
Friday Night
 
 Mostly cloudy, with a low around 55.
Saturday
 
 Partly sunny, with a high near 75.
Saturday Night
 
 A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 55.
Sunday
 
 Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Sunday Night
 
 A 50 percent chance of showers. Mostly cloudy, with a low around 56.
Columbus Day
 
 A 30 percent chance of showers. Partly sunny, with a high near 77.

 

Forecast from NOAA-NWS for Fort Mill SC.