Sumter, SC Weather - Tomorrow’s Forecast

Sunday

Mostly sunny

High:
95°F

A chance of showers and thunderstorms, mainly between 2pm and 4pm. Mostly sunny, with a high near 95. Heat index values as high as 103. Light southwest wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Chance of thunderstorms

Overnight low:
75°F

A chance of showers and thunderstorms, mainly between 1am and 2am. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.