Lebanon, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lebanon, a city in Marion County, Kentucky.
Today
86°F
Sunny
Sunny, with a high near 86. Northeast wind around 5 mph.
7-day forecast for Lebanon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 5 mph NE | 1% |
| Tonight | 68°F | Partly Cloudy | 0 to 3 mph N | 4% |
| Wednesday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph SW | 36% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph S | 36% |
| Thursday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph S | 27% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 5 mph S | 34% |
| Friday | 88°F | Chance Showers And Thunderstorms | 7 mph SW | 54% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 2 to 6 mph S | 54% |
| Saturday | 87°F | Chance Showers And Thunderstorms | 6 mph SW | 43% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 3 mph S | 43% |
| Sunday | 88°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 24% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 24% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 15% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 15% |
Forecast source: National Weather Service (api.weather.gov) for Lebanon (37.570, -85.260). Updated through the day.
Growing snapshot for Lebanon
Last spring frost
Apr 22
First fall frost
Oct 20
Growing season
180 days
Hardiness zone
7a
More local growing data for Lebanon: nearby ZIP 40033 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bradfordsville, Ky (5.3 mi from Lebanon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.