Dupont, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dupont, a town in Jefferson County, Indiana.
This Afternoon
68°F
Chance Rain Showers
A chance of rain showers before 4pm, then a slight chance of drizzle. Mostly cloudy, with a high near 68. Southwest wind 7 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Dupont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Chance Rain Showers | 7 to 10 mph SW | 31% |
| Tonight | 47°F | Slight Chance Drizzle | 2 to 6 mph W | 8% |
| Thursday | 64°F | Mostly Sunny | 3 to 9 mph SW | 0% |
| Thursday Night | 42°F | Partly Cloudy | 1 to 5 mph W | 5% |
| Friday | 56°F | Mostly Cloudy | 1 to 7 mph NW | 6% |
| Friday Night | 34°F | Partly Cloudy | 2 to 6 mph NW | 1% |
| Saturday | 53°F | Mostly Sunny | 2 to 6 mph NW | 0% |
| Saturday Night | 30°F | Partly Cloudy | 2 mph NW | 0% |
| Sunday | 57°F | Sunny | 0 to 5 mph W | 0% |
| Sunday Night | 32°F | Mostly Clear | 2 mph NW | 0% |
| Monday | 61°F | Sunny | 0 to 3 mph W | 0% |
| Monday Night | 35°F | Clear | 2 mph SW | 0% |
| Tuesday | 63°F | Sunny | 5 mph W | 1% |
| Tuesday Night | 37°F | Mostly Clear | 1 mph NW | 2% |
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 Nov 4, 2026.