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City of Barnwell, SCBarnwell, SC 7-Day Night Weather Forecast
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Barnwell, SC Weather Forecast
Barnwell, SC Weather Forecast Date: 608 AM EDT Wed Oct 28 2026
The area/counties/county of: Barnwell, including the cities of: Barnwell, Williston, and Blackville.or toggle through each period.
Today... Mostly sunny. Highs in the upper 70s. Northeast winds 5 to 10 mph.
Tonight... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. Northeast winds 5 to 10 mph.
Thursday... Mostly sunny. Highs around 80. Northeast winds 5 to 10 mph.
Thursday Night... Partly cloudy in the evening, then clearing. Lows in the mid 50s. Northeast winds around 5 mph.
Friday... Sunny. Highs in the lower 80s. Northeast winds around 5 mph.
Friday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 50s.
Saturday... Mostly cloudy. Highs in the upper 70s.
Saturday Night... Mostly cloudy. Lows in the upper 50s.
Sunday... Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 70s. Chance of rain 60%.
Sunday Night... Mostly cloudy. Showers likely, mainly in the evening. Lows in the upper 50s. Chance of rain 60%.
Monday... Mostly cloudy in the morning, then becoming partly sunny. A 50% chance of showers. Highs in the upper 70s.
Monday Night... Mostly cloudy. A chance of showers in the evening. Lows in the upper 50s. Chance of rain 30%.
POP = Probability of Precipitation
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