Napoleon, IN Weather & Growing Conditions
Today
83°F
Sunny
Sunny, with a high near 83. Northeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 2 mph NE | 0% |
| Tonight | 63°F | Mostly Clear | 2 mph NE | 0% |
| Wednesday | 85°F | Sunny | 2 mph N | 1% |
| Wednesday Night | 66°F | Mostly Clear | 2 mph S | 2% |
| Thursday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph SW | 23% |
| Thursday Night | 68°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 mph S | 59% |
| 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 | 86°F | Mostly Sunny | 1 to 6 mph SW | 13% |
| Sunday Night | 70°F | Partly Cloudy | 5 mph SW | 13% |
| Monday | 87°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). Updated through the day.
Growing snapshot for Napoleon, IN
Last spring frost
Apr 30
First fall frost
Oct 16
Growing season
168 days
Hardiness zone
6b
Explore more for Napoleon, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Milan 5 Ne, In (14.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.