New Trenton, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for New Trenton, a community in Franklin County, Indiana.

This Afternoon

81°F

Mostly Cloudy

Mostly cloudy, with a high near 81. Northeast wind around 8 mph.

7-day forecast for New Trenton

When	Temp	Forecast	Wind	Precip
This Afternoon	81°F	Mostly Cloudy	8 mph NE	6%
Tonight	62°F	Partly Cloudy	2 to 7 mph E	3%
Saturday	84°F	Areas Of Fog then Chance Showers And Thunderstorms	5 mph SE	50%
Saturday Night	68°F	Chance Showers And Thunderstorms	3 mph SE	46%
Sunday	86°F	Chance Showers And Thunderstorms	2 to 6 mph SW	42%
Sunday Night	63°F	Chance Showers And Thunderstorms	8 mph NE	42%
Monday	77°F	Chance Showers And Thunderstorms	6 to 9 mph NE	54%
Monday Night	58°F	Chance Showers And Thunderstorms	6 to 10 mph NE	50%
Tuesday	73°F	Chance Showers And Thunderstorms	9 mph NE	42%
Tuesday Night	58°F	Chance Showers And Thunderstorms	3 to 10 mph NE	32%
Wednesday	71°F	Slight Chance Rain Showers then Mostly Cloudy	3 to 8 mph N	20%
Wednesday Night	57°F	Mostly Cloudy	2 to 8 mph N	14%
Thursday	73°F	Partly Sunny	3 to 8 mph N	8%
Thursday Night	56°F	Mostly Cloudy	2 to 8 mph N	7%

Forecast source: National Weather Service (api.weather.gov) for New Trenton (39.309, -84.897). Updated through the day.

Growing snapshot for New Trenton

Last spring frost

Apr 20

First fall frost

Oct 21

Growing season

182 days

Hardiness zone

More local growing data for New Trenton: nearby ZIP 47035 weather · frost dates · planting calendar · Indiana frost dates

Nearby towns & communities

Blooming Grove Brookville Cedar Grove Hamburg Lake View Lakeshore Resort Laurel Metamora Mount Carmel Peppertown St. Leon

All Indiana locations ›

Climate data from the nearest NOAA station, Brookville, In (9.8 mi from New Trenton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.