Sparta, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sparta, a city in White County, Tennessee.
This Afternoon
78°F
Mostly Sunny
Mostly sunny. High near 78, with temperatures falling to around 72 in the afternoon. South southeast wind 15 to 20 mph, with gusts as high as 25 mph.
7-day forecast for Sparta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Mostly Sunny | 15 to 20 mph SSE | 1% |
| Tonight | 62°F | Mostly Cloudy then Showers And Thunderstorms Likely | 15 mph SSE | 67% |
| Wednesday | 72°F | Showers And Thunderstorms | 5 to 20 mph S | 96% |
| Wednesday Night | 54°F | Chance Rain Showers then Areas Of Fog | 0 to 5 mph SW | 45% |
| Thursday | 72°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph W | 6% |
| Thursday Night | 47°F | Areas Of Fog | 0 mph | 7% |
| Friday | 70°F | Areas Of Fog then Mostly Sunny | 0 to 10 mph W | 17% |
| Friday Night | 40°F | Partly Cloudy | 0 mph | 3% |
| Saturday | 63°F | Partly Sunny | 0 to 5 mph NNW | 0% |
| Saturday Night | 36°F | Mostly Cloudy | 0 mph | 2% |
| Sunday | 63°F | Mostly Sunny | 0 to 10 mph NNW | 8% |
| Sunday Night | 33°F | Slight Chance Rain Showers | 0 mph | 15% |
| Monday | 60°F | Mostly Sunny | 0 to 10 mph NNW | 9% |
| Monday Night | 32°F | Mostly Clear | 0 mph | 3% |
Forecast source: National Weather Service (api.weather.gov) for Sparta (35.935, -85.473). Updated through the day.
Growing snapshot for Sparta
Last spring frost
Apr 15
First fall frost
Oct 23
Growing season
191 days
Hardiness zone
7b
More local growing data for Sparta: nearby ZIP 38583 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sparta Wastewater Plant, Tn (4.1 mi from Sparta). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.