Hartsville/Trousdale County, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartsville/Trousdale County, a community in Trousdale County, Tennessee.
Today
99°F
Sunny
Sunny. High near 99, with temperatures falling to around 94 in the afternoon. Heat index values as high as 106. West northwest wind around 0 mph.
7-day forecast for Hartsville/Trousdale County
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 0 mph | 11% |
| Tonight | 71°F | Mostly Clear | 0 mph | 5% |
| Sunday | 98°F | Sunny | 0 to 5 mph SW | 12% |
| Sunday Night | 70°F | Partly Cloudy | 0 mph | 10% |
| Monday | 96°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph WSW | 32% |
| Monday Night | 66°F | Chance Showers And Thunderstorms then Rain Showers Likely | 0 to 5 mph NNE | 56% |
| Tuesday | 88°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 59% |
| Tuesday Night | 63°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 59% |
| Wednesday | 82°F | Chance Rain Showers | 0 to 5 mph NNW | 50% |
| Wednesday Night | 60°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph N | 35% |
| Thursday | 81°F | Mostly Sunny | 0 to 5 mph N | 13% |
| Thursday Night | 58°F | Partly Cloudy | 0 to 5 mph NNE | 13% |
| Friday | 81°F | Mostly Sunny | 0 to 10 mph NNE | 5% |
| Friday Night | 57°F | Partly Cloudy | 5 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Hartsville/Trousdale County (36.393, -86.157). Updated through the day.
Growing snapshot for Hartsville/Trousdale County
Last spring frost
Apr 12
First fall frost
Oct 26
Growing season
196 days
Hardiness zone
7b
More local growing data for Hartsville/Trousdale County: nearby ZIP 37074 weather · frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Hartsville, Tn (3.8 mi from Hartsville/Trousdale County). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.