National Weather Service Forecast for: Fort Mill SC
Issued by: National Weather Service Greenville-Spartanburg, SC
Updated: 2:53 am EST Dec 5, 2025
 
Overnight

Overnight: Rain. Low around 37. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain


 Friday

Friday: Rain, mainly before 10am. Patchy fog before 8am, then patchy fog after 10am. High near 44. Northeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain and
Patchy Fog
then Chance
Rain and
Patchy Fog
 Friday
Night
Friday Night: Patchy fog. Otherwise, cloudy, with a low around 35. Calm wind.
Patchy Fog


 Saturday

Saturday: A 20 percent chance of rain after 1pm. Patchy fog before 8am. Otherwise, cloudy, with a high near 49. Calm wind becoming west southwest around 5 mph.
Patchy Fog
then Slight
Chance Rain

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 34. Calm wind.
Mostly Cloudy


 Sunday

Sunday: Partly sunny, with a high near 51.
Partly Sunny


 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 34.
Mostly Cloudy


 Monday

Monday: Partly sunny, with a high near 46.
Partly Sunny


 Monday
Night
Monday Night: Mostly clear, with a low around 24.
Mostly Clear
Lo 37 °F Hi 44 °F Lo 35 °F Hi 49 °F Lo 34 °F Hi 51 °F Lo 34 °F Hi 46 °F Lo 24 °F

 

Overnight
 
 Rain. Low around 37. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
 
 Rain, mainly before 10am. Patchy fog before 8am, then patchy fog after 10am. High near 44. Northeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
 
 Patchy fog. Otherwise, cloudy, with a low around 35. Calm wind.
Saturday
 
 A 20 percent chance of rain after 1pm. Patchy fog before 8am. Otherwise, cloudy, with a high near 49. Calm wind becoming west southwest around 5 mph.
Saturday Night
 
 Mostly cloudy, with a low around 34. Calm wind.
Sunday
 
 Partly sunny, with a high near 51.
Sunday Night
 
 Mostly cloudy, with a low around 34.
Monday
 
 Partly sunny, with a high near 46.
Monday Night
 
 Mostly clear, with a low around 24.
Tuesday
 
 Sunny, with a high near 46.
Tuesday Night
 
 Mostly clear, with a low around 30.
Wednesday
 
 Sunny, with a high near 55.
Wednesday Night
 
 Partly cloudy, with a low around 39.
Thursday
 
 Mostly sunny, with a high near 53.

 

Forecast from NOAA-NWS for Fort Mill SC.