Napoleon, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Napoleon, a town in Ripley County, Indiana.
This Afternoon
67°F
Patchy Drizzle
Patchy drizzle. Mostly cloudy, with a high near 67. Southwest wind around 7 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Napoleon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Patchy Drizzle | 7 mph SW | 7% |
| Tonight | 46°F | Patchy Drizzle then Mostly Cloudy | 3 to 7 mph SW | 9% |
| Thursday | 63°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Thursday Night | 42°F | Mostly Cloudy then Slight Chance Light Rain | 1 to 5 mph W | 20% |
| Friday | 55°F | Mostly Cloudy | 2 to 8 mph NW | 14% |
| Friday Night | 33°F | Partly Cloudy | 6 mph NW | 4% |
| Saturday | 52°F | Mostly Sunny | 6 mph NW | 0% |
| Saturday Night | 29°F | Partly Cloudy | 0 to 3 mph NW | 0% |
| Sunday | 56°F | Sunny | 1 to 6 mph W | 0% |
| Sunday Night | 31°F | Mostly Clear | 3 mph W | 0% |
| Monday | 60°F | Sunny | 0 to 5 mph W | 0% |
| Monday Night | 35°F | Clear | 3 mph SW | 0% |
| Tuesday | 62°F | Sunny | 6 mph W | 1% |
| Tuesday Night | 35°F | Mostly Clear | 2 mph NW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Napoleon (39.204, -85.328). Updated through the day.
Growing snapshot for Napoleon
Last spring frost
Apr 15
First fall frost
Oct 26
Growing season
194 days
Hardiness zone
6b
More local growing data for Napoleon: nearby ZIP 47034 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Batesville
Cross Plains
Delaware
Elrod
Holton
Milan
Morris
New Marion
Oldenburg
Osgood
Pierceville
Versailles
Climate data from the nearest NOAA station, Greensburg, In (13.1 mi from Napoleon). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.