Harman US

Lebanon, OH Weather & Growing Conditions

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 9 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 61°F Mostly Cloudy then Showers And Thunderstorms Likely 9 to 15 mph SE 63%
Wednesday 68°F Showers And Thunderstorms 14 to 18 mph S 100%
Wednesday Night 51°F Chance Rain Showers 5 to 13 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 8 mph NW 13%
Saturday 56°F Mostly Sunny 5 to 8 mph NW 13%
Saturday Night 35°F Partly Cloudy 1 to 5 mph W 9%
Sunday 58°F Mostly Sunny 1 to 10 mph W 10%
Sunday Night 35°F Partly Cloudy 3 to 8 mph W 14%
Monday 61°F Sunny 3 to 10 mph W 14%
Monday Night 38°F Mostly Clear 8 mph SW 12%
Tuesday 64°F Sunny 7 to 10 mph SW 3%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Lebanon, OH

Last spring frost
Apr 24
First fall frost
Oct 19
Growing season
178 days
Hardiness zone
6b

Explore more for Lebanon, OH: full frost dates · planting calendar · Ohio frost dates

Climate data from the nearest NOAA station, Franklin, Oh (9.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.