Napoleon, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Napoleon, a town in Ripley County, Indiana.
Today
83°F
Sunny
Sunny, with a high near 83. Northeast wind around 2 mph.
7-day forecast for Napoleon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 2 mph NE | 0% |
| Tonight | 63°F | Mostly Clear | 2 mph N | 0% |
| Wednesday | 85°F | Sunny | 2 mph N | 1% |
| Wednesday Night | 66°F | Mostly Clear | 2 mph S | 2% |
| Thursday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph SW | 24% |
| Thursday Night | 68°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 mph SW | 60% |
| Friday | 84°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph SW | 62% |
| Friday Night | 67°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 mph SW | 62% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 28% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SW | 27% |
| Sunday | 87°F | Mostly Sunny | 1 to 6 mph SW | 13% |
| Sunday Night | 70°F | Partly Cloudy | 5 mph SW | 13% |
| Monday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 18% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 5 mph SW | 28% |
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 Aug 4, 2026.