Harman US

Clarksville, OH Weather & Growing Conditions

Today
86°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 3pm and 4pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 86. South wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 86°F Mostly Cloudy then Slight Chance Showers And Thunderstorms 9 mph S 55%
Tonight 67°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 8 mph S 70%
Sunday 87°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 6 to 9 mph SW 49%
Sunday Night 60°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 10 mph NE 60%
Monday 73°F Chance Rain Showers 14 mph NE 39%
Monday Night 55°F Chance Showers And Thunderstorms 10 to 14 mph NE 39%
Tuesday 71°F Chance Showers And Thunderstorms 13 mph NE 36%
Tuesday Night 57°F Chance Showers And Thunderstorms 8 to 15 mph NE 46%
Wednesday 71°F Showers And Thunderstorms Likely 10 mph NE 56%
Wednesday Night 56°F Showers And Thunderstorms Likely 6 to 14 mph NE 56%
Thursday 71°F Slight Chance Rain Showers then Mostly Cloudy 7 to 10 mph NE 15%
Thursday Night 54°F Mostly Cloudy 6 to 10 mph NE 11%
Friday 72°F Mostly Sunny 6 to 12 mph NE 9%
Friday Night 52°F Partly Cloudy 6 to 12 mph NE 9%

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

Growing snapshot for Clarksville, OH

Last spring frost
Apr 17
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
6b

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

Climate data from the nearest NOAA station, Wfo Wilmington, Oh (8.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.