Dupont, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dupont, a town in Jefferson County, Indiana.
Today
84°F
Sunny
Sunny, with a high near 84. Northeast wind around 3 mph.
7-day forecast for Dupont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 3 mph NE | 0% |
| Tonight | 64°F | Mostly Clear | 2 mph NE | 0% |
| Wednesday | 86°F | Sunny | 2 mph N | 3% |
| Wednesday Night | 68°F | Mostly Clear | 1 mph S | 3% |
| Thursday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 5 mph SW | 19% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 mph S | 56% |
| Friday | 84°F | Showers And Thunderstorms Likely | 1 to 5 mph SW | 62% |
| Friday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 mph SW | 62% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 29% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SW | 27% |
| Sunday | 87°F | Mostly Sunny | 1 to 5 mph SW | 11% |
| Sunday Night | 71°F | Partly Cloudy | 3 mph SW | 11% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 15% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 3 mph SW | 27% |
Forecast source: National Weather Service (api.weather.gov) for Dupont (38.891, -85.517). Updated through the day.
Growing snapshot for Dupont
Last spring frost
Apr 21
First fall frost
Oct 21
Growing season
180 days
Hardiness zone
6b
More local growing data for Dupont: nearby ZIP 47231 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, N Vernon 2 Ese, In (9 mi from Dupont). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.