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Town of Williston, SCWilliston, SC 7-Day Night Weather Forecast
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Williston, SC Weather Forecast
Williston, SC Weather Forecast Date: 1208 PM EDT Fri Sep 04 2026
The area/counties/county of: Barnwell, including the cities of: Barnwell, Williston, and Blackville.or toggle through each period.
This Afternoon... Mostly sunny with a slight chance of showers and thunderstorms. Highs in the mid 90s. Southeast winds around 5 mph. Chance of rain 20%.
Tonight... Mostly clear. Humid with lows in the lower 70s. South winds around 5 mph in the evening, becoming light and variable.
Saturday... Patchy fog in the morning. Mostly sunny. Highs in the mid 90s. Light and variable winds, becoming southwest around 5 mph in the afternoon.
Saturday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers after midnight. Lows in the lower 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 40%.
Sunday... Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 90s. West winds around 5 mph, becoming northeast in the afternoon. Chance of rain 70%.
Sunday Night... Showers likely with a chance of thunderstorms in the evening, then showers likely after midnight. Lows in the lower 70s. Chance of rain 70%.
Labor Day... Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50%.
Monday Night... Partly cloudy. A chance of showers and thunderstorms in the evening. Lows around 70. Chance of rain 50%.
Tuesday... Mostly sunny. Highs in the upper 80s.
Tuesday Night... Partly cloudy. Lows in the upper 60s.
Wednesday... Mostly sunny. Highs in the lower 90s.
Wednesday Night... Mostly clear. Lows around 70.
POP = Probability of Precipitation
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