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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.

This Afternoon
89°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. West northwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Martinsville

WhenTempForecastWindPrecip
This Afternoon 89°F Chance Showers And Thunderstorms 5 mph WNW 29%
Tonight 70°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 5 mph SSE 21%
Sunday 88°F Mostly Sunny then Slight Chance Showers And Thunderstorms 3 to 7 mph WSW 19%
Sunday Night 63°F Chance Showers And Thunderstorms 8 to 12 mph NNE 57%
Monday 74°F Chance Showers And Thunderstorms 12 mph ENE 56%
Monday Night 57°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 8 to 13 mph ENE 56%
Tuesday 71°F Chance Showers And Thunderstorms 10 mph NE 41%
Tuesday Night 57°F Chance Showers And Thunderstorms 5 to 13 mph NE 41%
Wednesday 71°F Chance Showers And Thunderstorms then Partly Sunny 5 to 8 mph NNE 32%
Wednesday Night 56°F Mostly Cloudy 2 to 8 mph N 13%
Thursday 73°F Partly Sunny 3 to 7 mph N 4%
Thursday Night 56°F Mostly Cloudy 2 to 7 mph NNE 8%
Friday 75°F Partly Sunny 3 to 8 mph NNE 8%
Friday Night 54°F Partly Cloudy 2 to 8 mph NE 5%

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 20, 2026.