National Weather Service Forecast for: Fort Mill SC
Issued by: National Weather Service Greenville-Spartanburg, SC
Updated: 12:48 am EST Dec 18, 2025
 
Today

Today: Rain, mainly after 8am. Patchy fog after 11am. High near 60. Calm wind becoming east southeast around 6 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Rain Likely
and Patchy
Fog then Rain
and Patchy
Fog
 Tonight

Tonight: Rain, mainly before 4am. Patchy fog. Low around 48. South wind 6 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain and
Patchy Fog
then Rain
Likely and
Patchy Fog
 Friday

Friday: Sunny, with a high near 56. West wind 9 to 14 mph, with gusts as high as 25 mph.
Sunny


 Friday
Night
Friday Night: Mostly clear, with a low around 31. West wind around 5 mph becoming calm in the evening.
Mostly Clear


 Saturday

Saturday: Sunny, with a high near 54. Calm wind becoming south 5 to 7 mph in the afternoon.
Sunny


 Saturday
Night
Saturday Night: Mostly clear, with a low around 38.
Mostly Clear


 Sunday

Sunday: Sunny, with a high near 60.
Sunny


 Sunday
Night
Sunday Night: Mostly clear, with a low around 30.
Mostly Clear


 Monday

Monday: Sunny, with a high near 49.
Sunny
Hi 60 °F Lo 48 °F Hi 56 °F Lo 31 °F Hi 54 °F Lo 38 °F Hi 60 °F Lo 30 °F Hi 49 °F

 

Today
 
 Rain, mainly after 8am. Patchy fog after 11am. High near 60. Calm wind becoming east southeast around 6 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
 
 Rain, mainly before 4am. Patchy fog. Low around 48. South wind 6 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
 
 Sunny, with a high near 56. West wind 9 to 14 mph, with gusts as high as 25 mph.
Friday Night
 
 Mostly clear, with a low around 31. West wind around 5 mph becoming calm in the evening.
Saturday
 
 Sunny, with a high near 54. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 38.
Sunday
 
 Sunny, with a high near 60.
Sunday Night
 
 Mostly clear, with a low around 30.
Monday
 
 Sunny, with a high near 49.
Monday Night
 
 Partly cloudy, with a low around 30.
Tuesday
 
 Mostly sunny, with a high near 53.
Tuesday Night
 
 Partly cloudy, with a low around 43.
Wednesday
 
 Mostly sunny, with a high near 64.

 

Forecast from NOAA-NWS for Fort Mill SC.