New Trenton, IN Weather & Growing Conditions
This Afternoon
68°F
Chance Light Rain
A chance of rain. Mostly cloudy, with a high near 68. South wind 8 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Chance Light Rain | 8 to 12 mph S | 48% |
| Tonight | 47°F | Patchy Drizzle then Mostly Cloudy | 2 to 7 mph W | 13% |
| Thursday | 64°F | Mostly Sunny | 3 to 10 mph SW | 0% |
| Thursday Night | 43°F | Mostly Cloudy | 1 to 5 mph W | 3% |
| Friday | 57°F | Mostly Cloudy | 1 to 8 mph NW | 10% |
| Friday Night | 34°F | Partly Cloudy | 2 to 7 mph NW | 6% |
| Saturday | 54°F | Mostly Sunny | 2 to 7 mph NW | 0% |
| Saturday Night | 30°F | Partly Cloudy | 0 to 3 mph NW | 0% |
| Sunday | 57°F | Sunny | 0 to 7 mph W | 0% |
| Sunday Night | 32°F | Mostly Clear | 0 to 3 mph W | 0% |
| Monday | 62°F | Sunny | 0 to 6 mph W | 0% |
| Monday Night | 36°F | Mostly Clear | 3 mph SW | 0% |
| Tuesday | 65°F | Sunny | 2 to 7 mph W | 1% |
| Tuesday Night | 36°F | Mostly Clear | 0 to 3 mph NW | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Trenton, IN
Last spring frost
Apr 20
First fall frost
Oct 21
Growing season
182 days
Hardiness zone
6b
Explore more for New Trenton, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Brookville, In (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.