Duncan, WV Weather Forecast
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Duncan Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Sunny | Fog | Mostly Sunny | Partly Cloudy | Sunny | Partly Cloudy | Chance of Showers | Showers Likely | Showers Likely | Chance of Showers | Showers | Chance of Showers |
| Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Hi: 70°FHi: 21°C Lo: 59°FLo: 15°C | Hi: 70°FHi: 21°C Lo: 59°FLo: 15°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C |
| POP: 40% | POP: 60% | POP: 60% | POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 532 AM EDT Tue Sep 29 2026 

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Issued: 449 AM EDT Tue Sep 29 2026
Key Messages
1.) Afternoon temperatures warm through Thursday with mostly dry conditions.
2.) Widespread rain chances return Friday into the weekend.
Discussion
... KEY MESSAGE 1...
Broad surface high pressure today keeps the boundary layer flow light. Low-level flow transitions to southwesterly by Wednesday. This will allow temperatures to gradually warm, with afternoon readings by Thursday in the 80s for all but the higher elevations.
KEY MESSAGE 2...
A cold front will then push southward into the re...
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