Sparta, TN Weather & Growing Conditions
This Afternoon
77°F
Mostly Sunny
Mostly sunny. High near 77, with temperatures falling to around 71 in the afternoon. South southeast wind around 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Mostly Sunny | 15 mph SSE | 1% |
| Tonight | 62°F | Chance Showers And Thunderstorms | 10 to 15 mph SSE | 80% |
| Wednesday | 72°F | Showers And Thunderstorms | 5 to 15 mph SSW | 95% |
| Wednesday Night | 53°F | Slight Chance Rain Showers then Areas Of Fog | 0 to 5 mph WSW | 21% |
| Thursday | 72°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph W | 2% |
| Thursday Night | 45°F | Areas Of Fog | 0 mph | 1% |
| Friday | 69°F | Areas Of Fog then Mostly Sunny | 0 to 10 mph NW | 2% |
| Friday Night | 39°F | Partly Cloudy | 0 to 5 mph NNW | 2% |
| Saturday | 61°F | Mostly Sunny | 0 to 5 mph NNW | 1% |
| Saturday Night | 33°F | Mostly Cloudy | 0 to 5 mph N | 1% |
| Sunday | 62°F | Mostly Sunny | 0 to 5 mph NNW | 8% |
| Sunday Night | 31°F | Mostly Clear | 0 mph | 9% |
| Monday | 63°F | Sunny | 0 to 5 mph NW | 6% |
| Monday Night | 33°F | Mostly Clear | 0 mph | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sparta, TN
Last spring frost
Apr 15
First fall frost
Oct 23
Growing season
191 days
Hardiness zone
7b
Explore more for Sparta, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Sparta Wastewater Plant, Tn (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.