South Lebanon, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Lebanon, a village in Warren County, Ohio.
This Afternoon
68°F
Rain
Rain before 1pm, then rain and a slight chance of thunderstorms. Cloudy, with a high near 68. South wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for South Lebanon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Rain | 17 mph S | 98% |
| Tonight | 49°F | Light Rain Likely then Mostly Cloudy | 3 to 14 mph SW | 60% |
| Thursday | 66°F | Mostly Sunny | 5 to 13 mph SW | 0% |
| Thursday Night | 43°F | Partly Cloudy | 1 to 7 mph SW | 3% |
| Friday | 58°F | Mostly Cloudy | 2 to 10 mph NW | 13% |
| Friday Night | 34°F | Mostly Cloudy | 3 to 10 mph NW | 9% |
| Saturday | 54°F | Partly Sunny | 3 to 10 mph NW | 0% |
| Saturday Night | 31°F | Partly Cloudy | 1 to 6 mph NW | 0% |
| Sunday | 58°F | Sunny | 1 to 10 mph W | 0% |
| Sunday Night | 32°F | Mostly Clear | 0 to 7 mph W | 0% |
| Monday | 63°F | Sunny | 0 to 9 mph W | 0% |
| Monday Night | 35°F | Mostly Clear | 5 mph SW | 0% |
| Tuesday | 66°F | Sunny | 3 to 8 mph SW | 1% |
| Tuesday Night | 36°F | Mostly Clear | 0 to 5 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov) for South Lebanon (39.363, -84.220). Updated through the day.
Growing snapshot for South Lebanon
Last spring frost
Apr 23
First fall frost
Oct 18
Growing season
177 days
Hardiness zone
6b
More local growing data for South Lebanon: nearby ZIP 45065 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Butlerville
Carlisle
Corwin
Five Points
Four Bridges
Franklin
Harveysburg
Hunter
Kings Mills
Landen
Lebanon
Loveland Park
Maineville
Mason
Morrow
Pleasant Plain
Roachester
Springboro
Waynesville
Climate data from the nearest NOAA station, Milford, Oh (13.6 mi from South Lebanon). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.