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Lamar, SC 7-Day Night Weather Forecast
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Lamar, SC Weather Forecast
Lamar, SC Weather Forecast Date: 803 PM EDT Fri Sep 04 2026
The area/counties/county of: Darlington, including the cities of: Hartsville, Darlington, and North Hartsville.or toggle through each period.
Overnight... Clear. Lows in the mid 70s. Southwest winds around 5 mph.
Saturday... Sunny. Highs in the upper 90s. West winds around 5 mph. Heat index values up to 108.
Saturday Night... A chance of thunderstorms. Showers likely. Lows in the lower 70s. West winds around 5 mph. Chance of rain 70%.
Sunday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Northeast winds around 5 mph. Chance of rain 50%.
Sunday Night... A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 60s. Northeast winds 5 to 10 mph. Chance of rain 50%.
Labor Day... Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40%.
Monday Night... Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 40%.
Tuesday... Mostly clear. Highs in the upper 80s. Lows in the upper 60s.
Tuesday Night... Mostly clear. Highs in the upper 80s. Lows in the upper 60s.
Wednesday... Mostly sunny. Highs around 90.
Wednesday Night... Mostly clear. Lows in the lower 70s. Highs in the mid 90s.
Thursday... Mostly clear. Lows in the lower 70s. Highs in the mid 90s.
POP = Probability of Precipitation
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