National Weather Service Forecast for: Summerville SC
Issued by: National Weather Service Charleston, SC
Updated: 1:30 am EST Dec 5, 2025
 
Overnight

Overnight: Showers. Low around 46. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers
 Friday

Friday: Showers. High near 52. North wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Showers
 Friday
Night
Friday Night: Showers. Low around 45. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers
 Saturday

Saturday: Showers. High near 53. Light northwest wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Showers
 Saturday
Night
Saturday Night: A 50 percent chance of rain, mainly before 1am. Cloudy, with a low around 43. Calm wind. New precipitation amounts between a tenth and quarter of an inch possible.
Chance Rain
 Sunday

Sunday: A 20 percent chance of rain. Mostly cloudy, with a high near 57.
Slight Chance
Rain
 Sunday
Night
Sunday Night: A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 43.
Chance Rain
 Monday

Monday: A 20 percent chance of rain before 1pm. Partly sunny, with a high near 52.
Slight Chance
Rain
 Monday
Night
Monday Night: Mostly clear, with a low around 29.
Mostly Clear
Lo 46 °F Hi 52 °F Lo 45 °F Hi 53 °F Lo 43 °F Hi 57 °F Lo 43 °F Hi 52 °F Lo 29 °F

 

Overnight
 
 Showers. Low around 46. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
 
 Showers. High near 52. North wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
 
 Showers. Low around 45. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
 
 Showers. High near 53. Light northwest wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
 
 A 50 percent chance of rain, mainly before 1am. Cloudy, with a low around 43. Calm wind. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
 
 A 20 percent chance of rain. Mostly cloudy, with a high near 57.
Sunday Night
 
 A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 43.
Monday
 
 A 20 percent chance of rain before 1pm. Partly sunny, with a high near 52.
Monday Night
 
 Mostly clear, with a low around 29.
Tuesday
 
 Sunny, with a high near 51.
Tuesday Night
 
 Mostly clear, with a low around 32.
Wednesday
 
 Sunny, with a high near 59.
Wednesday Night
 
 Partly cloudy, with a low around 42.
Thursday
 
 A 20 percent chance of showers. Sunny, with a high near 61.

 

Forecast from NOAA-NWS for Summerville SC.