Martinsville, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Martinsville, a village in Clinton County, Ohio.
This Afternoon
85°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 85. South wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Martinsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Chance Showers And Thunderstorms | 8 mph S | 44% |
| Tonight | 66°F | Showers And Thunderstorms Likely | 7 mph S | 61% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 7 to 10 mph SW | 47% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 12 mph N | 59% |
| Monday | 72°F | Chance Rain Showers | 14 mph NE | 45% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 12 to 15 mph NE | 47% |
| Tuesday | 70°F | Chance Showers And Thunderstorms | 13 mph NE | 42% |
| Tuesday Night | 57°F | Chance Showers And Thunderstorms | 8 to 15 mph NE | 51% |
| Wednesday | 70°F | Showers And Thunderstorms Likely | 12 mph NE | 58% |
| Wednesday Night | 55°F | Showers And Thunderstorms Likely | 7 to 14 mph NE | 58% |
| Thursday | 70°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 10 mph NE | 19% |
| Thursday Night | 53°F | Mostly Cloudy | 6 to 10 mph NE | 12% |
| Friday | 71°F | Mostly Sunny | 7 to 12 mph NE | 10% |
| Friday Night | 51°F | Partly Cloudy | 6 to 12 mph NE | 10% |
Forecast source: National Weather Service (api.weather.gov) for Martinsville (39.323, -83.812). Updated through the day.
Growing snapshot for Martinsville
Last spring frost
Apr 19
First fall frost
Oct 22
Growing season
185 days
Hardiness zone
6b
More local growing data for Martinsville: nearby ZIP 45146 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cincinnati, Oh (7.4 mi from Martinsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.