Weather forecast for: Duncan SC
Last Update: 5:39 am EDT Sep 20, 2026
Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 87. Calm wind.
Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 68. Calm wind.
Monday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 90. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night: A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 83. East northeast wind 3 to 5 mph. Chance of precipitation is 60%.
Tuesday Night: Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.
Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 72.
Wednesday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 58.
Thursday: Partly sunny, with a high near 72.
Thursday Night: Partly cloudy, with a low around 56.
Friday: Mostly sunny, with a high near 74.
Friday Night: Partly cloudy, with a low around 55.
Saturday: Mostly sunny, with a high near 75.