Decherd, TN Weather & Growing Conditions
This Afternoon
96°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 99. South southeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 96°F | Chance Showers And Thunderstorms | 5 mph SSE | 44% |
| Tonight | 72°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 25% |
| Sunday | 94°F | Sunny | 0 to 5 mph SW | 14% |
| Sunday Night | 72°F | Mostly Clear | 0 mph | 13% |
| Monday | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 44% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 51% |
| Tuesday | 90°F | Showers And Thunderstorms Likely | 0 to 5 mph WSW | 70% |
| Tuesday Night | 67°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 70% |
| Wednesday | 83°F | Showers And Thunderstorms Likely | 0 to 5 mph WSW | 64% |
| Wednesday Night | 63°F | Showers And Thunderstorms Likely | 0 to 5 mph ENE | 64% |
| Thursday | 81°F | Slight Chance Rain Showers | 0 to 5 mph NNE | 23% |
| Thursday Night | 61°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph NE | 22% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph NNE | 8% |
| Friday Night | 59°F | Mostly Clear | 0 to 5 mph NNE | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Decherd, TN
Last spring frost
Apr 2
First fall frost
Nov 4
Growing season
216 days
Hardiness zone
7b
Explore more for Decherd, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Sewanee, Tn (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.