Lebanon, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lebanon, a city in Warren County, Ohio.
Tonight
61°F
Mostly Cloudy then Showers And Thunderstorms Likely
A slight chance of rain showers between 2am and 4am, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. Southeast wind 12 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Lebanon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Mostly Cloudy then Showers And Thunderstorms Likely | 12 to 15 mph SE | 63% |
| Wednesday | 68°F | Showers And Thunderstorms | 14 to 17 mph S | 100% |
| Wednesday Night | 51°F | Chance Rain Showers | 5 to 12 mph SW | 43% |
| Thursday | 66°F | Mostly Sunny | 5 to 13 mph SW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 1 to 7 mph SW | 1% |
| Friday | 62°F | Partly Sunny | 1 to 9 mph NW | 8% |
| Friday Night | 40°F | Partly Cloudy | 5 to 8 mph NW | 13% |
| Saturday | 56°F | Mostly Sunny | 5 to 8 mph NW | 13% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph W | 9% |
| Sunday | 57°F | Mostly Sunny | 1 to 10 mph SW | 10% |
| Sunday Night | 34°F | Partly Cloudy | 3 to 8 mph W | 14% |
| Monday | 60°F | Sunny | 3 to 12 mph W | 14% |
| Monday Night | 37°F | Mostly Clear | 5 to 8 mph SW | 12% |
| Tuesday | 64°F | Sunny | 6 to 10 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov) for Lebanon (39.426, -84.213). Updated through the day.
Growing snapshot for Lebanon
Last spring frost
Apr 24
First fall frost
Oct 19
Growing season
178 days
Hardiness zone
6b
More local growing data for Lebanon: nearby ZIP 45036 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Butlerville
Carlisle
Corwin
Five Points
Four Bridges
Franklin
Harveysburg
Hunter
Kings Mills
Landen
Loveland Park
Maineville
Mason
Morrow
Pleasant Plain
Roachester
South Lebanon
Springboro
Waynesville
Climate data from the nearest NOAA station, Franklin, Oh (9.4 mi from Lebanon). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.