New Trenton, IN Weather & Growing Conditions

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

Today

85°F

Sunny

Sunny, with a high near 85. Northeast wind around 3 mph.

7-day forecast for New Trenton

When	Temp	Forecast	Wind	Precip
Today	85°F	Sunny	3 mph NE	0%
Tonight	63°F	Mostly Clear	2 mph N	1%
Wednesday	88°F	Sunny	0 to 3 mph N	8%
Wednesday Night	66°F	Mostly Clear	2 mph NW	3%
Thursday	88°F	Mostly Sunny then Slight Chance Showers And Thunderstorms	0 to 6 mph SW	23%
Thursday Night	68°F	Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely	0 to 5 mph SW	62%
Friday	86°F	Showers And Thunderstorms Likely	0 to 6 mph SW	66%
Friday Night	66°F	Showers And Thunderstorms Likely	3 mph SW	66%
Saturday	86°F	Chance Showers And Thunderstorms	1 to 6 mph SW	33%
Saturday Night	67°F	Chance Showers And Thunderstorms then Partly Cloudy	3 mph SW	31%
Sunday	89°F	Mostly Sunny	1 to 7 mph SW	14%
Sunday Night	69°F	Partly Cloudy	2 to 6 mph SW	14%
Monday	90°F	Mostly Sunny then Slight Chance Showers And Thunderstorms	3 to 8 mph SW	21%
Monday Night	70°F	Chance Showers And Thunderstorms	2 to 6 mph SW	28%

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

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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 Aug 4, 2026.