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Town of Duncan, SCDuncan, SC 7-Day Weather Forecast
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Duncan Weather Forecast
Duncan, SC Weather Forecast Date: 251 AM EDT Sat Sep 19 2026
Weather forecast for Duncan, SC
Tonight Lo: 70°F Lo: 21°C |
Tonight... Partly cloudy. Patchy fog. Near steady temperatures in the lower 70s. North winds around 5 mph. |
Sat Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Saturday... Mostly sunny. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Northeast winds 5 to 10 mph. Chance of rain 40%. |
| Sun Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Sunday... Partly sunny in the morning, then becoming mostly sunny. Patchy fog in the morning. Humid with highs in the upper 80s. Light and variable winds, becoming south around 5 mph in the afternoon. |
| Mon Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Monday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50%. |
| Tue Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Tuesday... Mostly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 70%. |
Wed Hi: 69°FHi: 21°C Lo: 60°F Lo: 16°C |
Wednesday... Mostly cloudy with a chance of showers. Highs in the upper 60s. Chance of rain 50%. |
Thu Hi: 71°FHi: 22°C Lo: 59°F Lo: 15°C |
Thursday... Partly sunny in the morning, then becoming mostly sunny. Highs in the lower 70s. |
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