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Martinsville, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Martinsville, a city in Morgan County, Indiana.

Tonight
67°F
Partly Cloudy
Partly cloudy, with a low around 67. East wind 2 to 6 mph.

7-day forecast for Martinsville

WhenTempForecastWindPrecip
Tonight 67°F Partly Cloudy 2 to 6 mph E 12%
Saturday 90°F Mostly Sunny then Slight Chance Showers And Thunderstorms 7 mph SSE 41%
Saturday Night 71°F Chance Showers And Thunderstorms 6 mph S 41%
Sunday 89°F Slight Chance Showers And Thunderstorms 6 mph WSW 23%
Sunday Night 64°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 6 to 10 mph NNE 51%
Monday 76°F Showers And Thunderstorms Likely 10 mph NE 60%
Monday Night 58°F Showers And Thunderstorms Likely 9 to 14 mph NE 56%
Tuesday 72°F Chance Showers And Thunderstorms 10 mph NE 44%
Tuesday Night 57°F Chance Showers And Thunderstorms then Mostly Cloudy 5 to 13 mph NNE 36%
Wednesday 71°F Mostly Cloudy 5 to 8 mph NNE 6%
Wednesday Night 56°F Mostly Cloudy 3 to 8 mph N 6%
Thursday 73°F Partly Sunny 3 to 7 mph N 5%
Thursday Night 56°F Mostly Cloudy 3 to 7 mph NNE 5%
Friday 74°F Mostly Sunny 3 to 8 mph NNE 4%

Forecast source: National Weather Service (api.weather.gov) for Martinsville (39.415, -86.432). Updated through the day.

Growing snapshot for Martinsville

Last spring frost
Apr 24
First fall frost
Oct 15
Growing season
173 days
Hardiness zone
6a

More local growing data for Martinsville: nearby ZIP 46151 weather · frost dates · planting calendar · Indiana frost dates

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Climate data from the nearest NOAA station, Martinsville 2 Sw, In (4.3 mi from Martinsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.