National Weather Service Forecast for: Fort Mill SC
Issued by: National Weather Service Greenville-Spartanburg, SC
Updated: 6:28 am EDT May 4, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 78. South southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Sunny

 Tonight

Tonight: Mostly clear, with a low around 52. South wind around 7 mph.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 81. South southwest wind 6 to 14 mph, with gusts as high as 24 mph.
Sunny

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 60. South wind 7 to 9 mph, with gusts as high as 18 mph.
Partly Cloudy

 Wednesday

Wednesday: A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 83. Southwest wind 9 to 15 mph, with gusts as high as 26 mph.
Mostly Cloudy
then Slight
Chance
Showers
 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Chance
T-storms then
Showers
Likely
 Thursday

Thursday: Showers, with thunderstorms also possible after 2pm. High near 76. Chance of precipitation is 90%.
Showers

 Thursday
Night
Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Showers
Likely

 Friday

Friday: Mostly sunny, with a high near 69.
Mostly Sunny
Hi 78 °F Lo 52 °F Hi 81 °F Lo 60 °F Hi 83 °F Lo 63 °F Hi 76 °F Lo 49 °F Hi 69 °F

 

This Afternoon
 
 Sunny, with a high near 78. South southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Tonight
 
 Mostly clear, with a low around 52. South wind around 7 mph.
Tuesday
 
 Sunny, with a high near 81. South southwest wind 6 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
 
 Partly cloudy, with a low around 60. South wind 7 to 9 mph, with gusts as high as 18 mph.
Wednesday
 
 A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 83. Southwest wind 9 to 15 mph, with gusts as high as 26 mph.
Wednesday Night
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Thursday
 
 Showers, with thunderstorms also possible after 2pm. High near 76. Chance of precipitation is 90%.
Thursday Night
 
 Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Friday
 
 Mostly sunny, with a high near 69.
Friday Night
 
 Partly cloudy, with a low around 49.
Saturday
 
 Mostly sunny, with a high near 74.
Saturday Night
 
 Partly cloudy, with a low around 53.
Sunday
 
 Mostly sunny, with a high near 80.

 

Forecast from NOAA-NWS for Fort Mill SC.