Penntown, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Penntown, a community in Dearborn County, Indiana.
This Afternoon
67°F
Chance Light Rain
A chance of rain. Mostly cloudy, with a high near 67. Southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Penntown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Chance Light Rain | 7 to 10 mph SW | 37% |
| Tonight | 46°F | Patchy Drizzle then Mostly Cloudy | 6 mph SW | 10% |
| Thursday | 63°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Thursday Night | 42°F | Mostly Cloudy | 5 mph W | 9% |
| Friday | 55°F | Mostly Cloudy | 2 to 7 mph NW | 8% |
| Friday Night | 33°F | Partly Cloudy | 6 mph NW | 4% |
| Saturday | 53°F | Mostly Sunny | 3 to 7 mph NW | 0% |
| Saturday Night | 30°F | Partly Cloudy | 3 mph NW | 0% |
| Sunday | 56°F | Sunny | 2 to 6 mph W | 0% |
| Sunday Night | 32°F | Mostly Clear | 3 mph W | 0% |
| Monday | 61°F | Sunny | 1 to 6 mph W | 0% |
| Monday Night | 35°F | Mostly Clear | 3 mph SW | 0% |
| Tuesday | 64°F | Sunny | 6 mph W | 1% |
| Tuesday Night | 36°F | Mostly Clear | 3 mph NW | 3% |
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
Aurora
Bright
Dillsboro
Greendale
Hidden Valley
Lawrenceburg
Manchester
Moores Hill
Sunman
West Harrison
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 Nov 4, 2026.