Hartsville, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartsville, a town in Bartholomew County, Indiana.
This Afternoon
89°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. West wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Hartsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 89°F | Chance Showers And Thunderstorms | 5 mph W | 41% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Mostly Cloudy | 3 mph SE | 30% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph WSW | 15% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 8 mph NNE | 65% |
| Monday | 75°F | Chance Showers And Thunderstorms | 9 mph NE | 52% |
| Monday Night | 58°F | Chance Showers And Thunderstorms | 6 to 10 mph NE | 52% |
| Tuesday | 73°F | Chance Showers And Thunderstorms | 8 mph NE | 39% |
| Tuesday Night | 58°F | Chance Showers And Thunderstorms | 3 to 10 mph NNE | 39% |
| Wednesday | 72°F | Chance Showers And Thunderstorms | 3 to 7 mph NNE | 38% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms then Mostly Cloudy | 2 to 7 mph NNE | 31% |
| Thursday | 72°F | Partly Sunny | 2 to 6 mph NNE | 8% |
| Thursday Night | 57°F | Mostly Cloudy | 2 to 6 mph NNE | 6% |
| Friday | 75°F | Partly Sunny | 3 to 7 mph NNE | 6% |
| Friday Night | 54°F | Partly Cloudy | 3 to 7 mph NNE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Hartsville (39.267, -85.699). Updated through the day.
Growing snapshot for Hartsville
Last spring frost
Apr 11
First fall frost
Oct 25
Growing season
195 days
Hardiness zone
6b
More local growing data for Hartsville: nearby ZIP 47244 weather · frost dates · planting calendar · Indiana frost dates
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Climate data from the nearest NOAA station, Columbus, In (12.3 mi from Hartsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.