Harman US

Penntown, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Penntown, a community in Dearborn County, Indiana.

Today
88°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 2pm and 4pm, then showers and thunderstorms likely. Partly sunny, with a high near 88. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Penntown

WhenTempForecastWindPrecip
Today 88°F Partly Sunny then Chance Showers And Thunderstorms 5 mph S 66%
Tonight 68°F Chance Showers And Thunderstorms 3 mph S 50%
Sunday 87°F Mostly Sunny then Slight Chance Showers And Thunderstorms 6 mph W 24%
Sunday Night 60°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 7 mph N 53%
Monday 72°F Rain Showers Likely 9 mph NE 56%
Monday Night 55°F Chance Showers And Thunderstorms 6 to 9 mph NE 54%
Tuesday 70°F Chance Showers And Thunderstorms 8 mph NE 34%
Tuesday Night 56°F Chance Showers And Thunderstorms 3 to 8 mph NE 32%
Wednesday 70°F Chance Rain Showers 6 mph N 32%
Wednesday Night 55°F Chance Rain Showers then Mostly Cloudy 2 to 6 mph N 29%
Thursday 70°F Mostly Cloudy 3 to 7 mph N 14%
Thursday Night 54°F Mostly Cloudy 2 to 7 mph N 14%
Friday 71°F Mostly Sunny 3 to 7 mph NE 6%
Friday Night 52°F Partly Cloudy 6 mph NE 4%

Forecast source: National Weather Service (api.weather.gov) for Penntown (39.270, -85.091). Updated through the day.

Growing snapshot for Penntown

Last spring frost
Apr 30
First fall frost
Oct 16
Growing season
168 days
Hardiness zone
6b

More local growing data for Penntown: nearby ZIP 47041 weather · frost dates · planting calendar · Indiana frost dates

Nearby towns & communities

All Indiana locations ›

Climate data from the nearest NOAA station, Milan 5 Ne, In (5.3 mi from Penntown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.