Lebanon, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lebanon, a city in Marion County, Kentucky.
Overnight
63°F
Showers And Thunderstorms
A chance of rain showers before 4am, then showers and thunderstorms. Mostly cloudy, with a low around 63. South wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Lebanon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Showers And Thunderstorms | 13 mph S | 85% |
| Wednesday | 71°F | Showers And Thunderstorms | 7 to 14 mph S | 98% |
| Wednesday Night | 49°F | Mostly Cloudy | 2 to 6 mph SW | 7% |
| Thursday | 69°F | Mostly Sunny | 2 to 7 mph SW | 0% |
| Thursday Night | 43°F | Partly Cloudy | 0 to 3 mph SW | 0% |
| Friday | 65°F | Mostly Sunny | 0 to 7 mph NW | 0% |
| Friday Night | 38°F | Partly Cloudy | 6 mph N | 0% |
| Saturday | 57°F | Mostly Sunny | 2 to 6 mph N | 0% |
| Saturday Night | 33°F | Partly Cloudy | 2 mph N | 0% |
| Sunday | 59°F | Mostly Sunny | 0 to 6 mph NW | 0% |
| Sunday Night | 32°F | Mostly Clear | 0 to 3 mph NW | 2% |
| Monday | 62°F | Sunny | 0 to 3 mph W | 2% |
| Monday Night | 34°F | Clear | 2 mph SW | 1% |
| Tuesday | 66°F | Sunny | 1 to 6 mph SW | 1% |
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 Nov 4, 2026.