Decaturville, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Decaturville, a town in Decatur County, Tennessee.
This Afternoon
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 101. West northwest wind 0 to 5 mph.
7-day forecast for Decaturville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Sunny | 0 to 5 mph WNW | 2% |
| Tonight | 72°F | Mostly Clear | 0 mph | 1% |
| Sunday | 98°F | Mostly Sunny | 0 to 5 mph SW | 3% |
| Sunday Night | 72°F | Partly Cloudy | 0 mph | 4% |
| Monday | 97°F | Mostly Sunny | 0 to 5 mph WSW | 10% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 20% |
| Tuesday | 91°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 10 mph NNE | 28% |
| Tuesday Night | 63°F | Chance Showers And Thunderstorms | 0 to 10 mph N | 28% |
| Wednesday | 84°F | Mostly Sunny | 5 mph N | 9% |
| Wednesday Night | 61°F | Mostly Clear | 0 to 5 mph N | 9% |
| Thursday | 84°F | Mostly Sunny | 0 to 5 mph N | 3% |
| Thursday Night | 59°F | Partly Cloudy | 0 to 5 mph NNE | 2% |
| Friday | 84°F | Mostly Sunny | 0 to 10 mph NNE | 1% |
| Friday Night | 59°F | Partly Cloudy | 0 to 5 mph NNE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Decaturville (35.582, -88.120). Updated through the day.
Growing snapshot for Decaturville
Last spring frost
Apr 4
First fall frost
Oct 30
Growing season
208 days
Hardiness zone
7b
More local growing data for Decaturville: nearby ZIP 38329 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Decaturville, Tn (4 mi from Decaturville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.