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Duff, TN Weather Forecast
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Duff Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  |  | |  | |  | | | | | |
| Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of Showers | Chance of Showers | Mostly Clear | Chance of Showers | Mostly Clear | Chance of T-Storm |
| Lo: 71°FLo: 22°C | Hi: 90°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 87°FHi: 31°C | Lo: 65°FLo: 18°C | Hi: 87°FHi: 31°C | Lo: 65°FLo: 18°C | Hi: 87°FHi: 31°C | Lo: 69°FLo: 21°C | Hi: 87°FHi: 31°C | Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C |
| POP: 30% | POP: 50% | POP: 20% | POP: 40% | POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 706 PM EDT Fri Sep 04 2026 
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Issued: 748 PM EDT Fri Sep 4 2026
Key Messages
Updated at 723 PM EDT Fri Sep 4 2026- Very hot conditions will continue again today with highs reaching well into the 90s and heat index values approaching or exceeding 100 for most places outside the higher elevations. Take frequent breaks and drink plenty of water when outdoors.
- Heat Advisory extended through Saturday with conditions similar to today expected.
- A few storms this afternoon/evening mainly in southwest VA, and again on Saturday across the entire eastern Tennessee Valley...