Harman US

New Trenton, IN Weather & Growing Conditions

This Afternoon
68°F
Rain Likely
Rain likely. Cloudy, with a high near 68. South wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 68°F Rain Likely 9 to 13 mph S 74%
Tonight 47°F Patchy Drizzle then Mostly Cloudy 2 to 7 mph W 14%
Thursday 65°F Mostly Sunny 3 to 10 mph SW 0%
Thursday Night 43°F Mostly Cloudy 1 to 5 mph W 4%
Friday 57°F Mostly Cloudy 1 to 8 mph NW 10%
Friday Night 34°F Partly Cloudy 2 to 7 mph NW 7%
Saturday 55°F Mostly Sunny 2 to 7 mph NW 0%
Saturday Night 30°F Partly Cloudy 0 to 3 mph NW 0%
Sunday 58°F Sunny 0 to 7 mph W 0%
Sunday Night 32°F Mostly Clear 0 to 5 mph W 0%
Monday 63°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 (12 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.