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Town of Decatur, TennesseeDecatur, TN Weather Forecast
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Decatur Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  | | |  |  |  |  | | | | |
| Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Cloudy | Chance of T-Storm | Chance of Showers | Clearing | Mostly Sunny | Partly Cloudy | Partly Sunny |
| Lo: 31°FLo: -1°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 39°FLo: 4°C | Hi: 51°FHi: 11°C | Lo: 21°FLo: -6°C | Hi: 45°FHi: 7°C | Lo: 25°FLo: -4°C | Hi: 55°FHi: 13°C |
| POP: 90% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 706 PM EDT Thu Mar 12 2026 
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