Weather Forecast for
Sumter County, SC

Tonight: Mostly cloudy, with a low around 76. Calm wind.

Sunday: A chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny, with a high near 96. Heat index values as high as 103. Light southwest wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night: A chance of showers and thunderstorms, mainly between midnight and 1am. Partly cloudy, with a low around 77. Southwest wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday: A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 93. West wind around 6 mph. Chance of precipitation is 30%.

Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%.

Tuesday: A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 87. Chance of precipitation is 40%.

Tuesday Night: A chance of thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

Wednesday: A chance of showers before 2pm. Mostly cloudy, with a high near 89. Chance of precipitation is 30%.

Wednesday Night: Partly cloudy, with a low around 74.

Thursday: Mostly sunny, with a high near 94.

Thursday Night: Partly cloudy, with a low around 77.

Juneteenth: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 93. Chance of precipitation is 60%.

Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 30%.

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