Harman US

New Lebanon, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for New Lebanon, a village in Montgomery County, Ohio.

Tonight
67°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms between 11pm and 5am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

7-day forecast for New Lebanon

WhenTempForecastWindPrecip
Tonight 67°F Showers And Thunderstorms Likely 8 mph S 55%
Sunday 84°F Slight Chance Showers And Thunderstorms 6 to 10 mph W 58%
Sunday Night 59°F Showers And Thunderstorms Likely 13 mph N 62%
Monday 70°F Chance Showers And Thunderstorms 15 mph NE 46%
Monday Night 54°F Chance Rain Showers 10 to 17 mph NE 46%
Tuesday 71°F Chance Rain Showers 10 to 14 mph NE 27%
Tuesday Night 58°F Chance Rain Showers 9 to 15 mph NE 35%
Wednesday 70°F Showers And Thunderstorms Likely 10 mph NE 57%
Wednesday Night 56°F Showers And Thunderstorms Likely 8 to 14 mph NE 57%
Thursday 70°F Slight Chance Rain Showers 10 mph NE 18%
Thursday Night 55°F Mostly Cloudy 6 to 10 mph NE 14%
Friday 72°F Partly Sunny 6 to 12 mph NE 8%
Friday Night 52°F Partly Cloudy 6 to 12 mph NE 5%
Saturday 74°F Mostly Sunny 9 mph NE 2%

Forecast source: National Weather Service (api.weather.gov) for New Lebanon (39.744, -84.394). Updated through the day.

Growing snapshot for New Lebanon

Last spring frost
Apr 18
First fall frost
Oct 25
Growing season
189 days
Hardiness zone
6a

More local growing data for New Lebanon: nearby ZIP 45345 weather · frost dates · planting calendar · Ohio frost dates

Nearby towns & communities

All Ohio locations ›

Climate data from the nearest NOAA station, Dayton Mcd, Oh (11.2 mi from New Lebanon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.