Harman US

Hartsville, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Hartsville, a town in Bartholomew County, Indiana.

This Afternoon
69°F
Slight Chance Light Rain
A slight chance of rain before 4pm. Cloudy. High near 69, with temperatures falling to around 66 in the afternoon. South southwest wind around 12 mph, with gusts as high as 21 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Hartsville

WhenTempForecastWindPrecip
This Afternoon 69°F Slight Chance Light Rain 12 mph SSW 24%
Tonight 47°F Mostly Cloudy 2 to 8 mph WSW 4%
Thursday 63°F Mostly Sunny 5 to 10 mph SW 0%
Thursday Night 43°F Mostly Cloudy 1 to 6 mph WSW 7%
Friday 55°F Mostly Cloudy 2 to 9 mph NW 7%
Friday Night 35°F Partly Cloudy 3 to 8 mph NNW 5%
Saturday 53°F Mostly Sunny 2 to 6 mph NW 0%
Saturday Night 30°F Partly Cloudy 3 mph NW 0%
Sunday 57°F Sunny 0 to 6 mph W 0%
Sunday Night 32°F Mostly Clear 0 to 3 mph WNW 0%
Monday 61°F Sunny 0 to 5 mph WNW 0%
Monday Night 36°F Clear 3 mph SW 0%
Tuesday 63°F Sunny 5 mph WSW 1%
Tuesday Night 37°F Mostly Clear 0 to 3 mph NW 3%

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

Nearby towns & communities

All Indiana locations ›

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 Nov 4, 2026.