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Town of Duncan, SCDuncan, SC Weather Forecast
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Duncan Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  | | |  |  |  |  |  |  | | |
| Clear | Sunny | Clear | Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Showers | Showers Likely | Chance of Showers | Partly Cloudy | Sunny |
| Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C |
| POP: 80% | POP: 80% | POP: 70% | POP: 70% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 727 PM EDT Wed Sep 30 2026 
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Meteorlogic Glosserator
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Instant definitions for any meteorological term.
Issued: 720 PM EDT Wed Sep 30 2026
Key Messages
1. Well above normal temperatures and dry conditions stick around for most locations through Friday, outside of the potential for a few showers and thunderstorms in the mountains Friday afternoon/evening. 2. A cold front combined with cold air damming will bring cooler temperatures and widespread rain chances over the weekend, especially Saturday night into Sunday. Locally heavy rainfall is possible but confidence is low. 3. Drier early next week with a brief warm up expected Monday ...