Sparta, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sparta, a city in Gallatin County, Kentucky.
Overnight
66°F
Mostly Cloudy
Mostly cloudy, with a low around 66. East wind around 3 mph.
7-day forecast for Sparta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Mostly Cloudy | 3 mph E | 5% |
| Saturday | 90°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph S | 49% |
| Saturday Night | 68°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph S | 61% |
| Sunday | 90°F | Slight Chance Rain Showers then Mostly Sunny | 6 mph SW | 17% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 5 to 8 mph N | 41% |
| Monday | 76°F | Chance Rain Showers | 8 mph NE | 45% |
| Monday Night | 57°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 48% |
| Tuesday | 72°F | Chance Rain Showers | 7 mph NE | 30% |
| Tuesday Night | 57°F | Slight Chance Showers And Thunderstorms | 5 to 8 mph NE | 40% |
| Wednesday | 72°F | Chance Showers And Thunderstorms | 6 mph N | 40% |
| Wednesday Night | 56°F | Chance Showers And Thunderstorms | 6 mph N | 38% |
| Thursday | 71°F | Partly Sunny | 6 mph N | 12% |
| Thursday Night | 55°F | Partly Cloudy | 6 mph N | 12% |
| Friday | 72°F | Mostly Sunny | 7 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Sparta (38.695, -84.906). Updated through the day.
Growing snapshot for Sparta
Last spring frost
Apr 23
First fall frost
Oct 21
Growing season
179 days
Hardiness zone
6b
More local growing data for Sparta: nearby ZIP 41086 weather · frost dates · planting calendar · Kentucky frost dates
Climate data from the nearest NOAA station, Glencoe 6 Nw, Ky (5.9 mi from Sparta). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.