Napoleon, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Napoleon, a town in Ripley County, Indiana.
This Afternoon
82°F
Mostly Cloudy
Mostly cloudy, with a high near 82. Northeast wind around 7 mph.
7-day forecast for Napoleon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Mostly Cloudy | 7 mph NE | 3% |
| Tonight | 62°F | Partly Cloudy | 3 to 7 mph E | 3% |
| Saturday | 84°F | Patchy Fog then Chance Showers And Thunderstorms | 5 mph SE | 43% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 3 mph SE | 37% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 5 mph SW | 34% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 6 mph NE | 42% |
| Monday | 77°F | Chance Showers And Thunderstorms | 8 mph NE | 54% |
| Monday Night | 58°F | Chance Showers And Thunderstorms | 6 to 9 mph NE | 51% |
| Tuesday | 72°F | Chance Showers And Thunderstorms | 8 mph NE | 44% |
| Tuesday Night | 57°F | Chance Showers And Thunderstorms | 3 to 9 mph NE | 40% |
| Wednesday | 70°F | Slight Chance Rain Showers then Mostly Cloudy | 3 to 7 mph N | 17% |
| Wednesday Night | 56°F | Mostly Cloudy | 2 to 7 mph N | 14% |
| Thursday | 71°F | Partly Sunny | 6 mph N | 6% |
| Thursday Night | 56°F | Mostly Cloudy | 2 to 6 mph N | 6% |
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 Sep 19, 2026.