Harman US

Trenton, OH Weather & Growing Conditions

Overnight
63°F
Mostly Cloudy
Mostly cloudy, with a low around 63. East wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 63°F Mostly Cloudy 5 mph E 1%
Saturday 87°F Partly Sunny then Showers And Thunderstorms Likely 7 mph SE 64%
Saturday Night 68°F Showers And Thunderstorms Likely 5 mph S 56%
Sunday 86°F Chance Showers And Thunderstorms 5 to 8 mph W 35%
Sunday Night 60°F Chance Showers And Thunderstorms 9 to 13 mph NE 50%
Monday 72°F Rain Showers Likely 13 mph NE 56%
Monday Night 55°F Chance Showers And Thunderstorms 10 to 15 mph NE 43%
Tuesday 71°F Slight Chance Showers And Thunderstorms 12 mph NE 22%
Tuesday Night 57°F Chance Showers And Thunderstorms 7 to 14 mph NE 38%
Wednesday 71°F Chance Rain Showers 9 mph NE 44%
Wednesday Night 56°F Chance Showers And Thunderstorms 5 to 12 mph NE 44%
Thursday 71°F Mostly Cloudy 6 to 10 mph NE 11%
Thursday Night 55°F Mostly Cloudy 5 to 10 mph NE 11%
Friday 72°F Mostly Sunny 6 to 10 mph NE 8%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Trenton, OH

Last spring frost
Apr 22
First fall frost
Oct 18
Growing season
178 days
Hardiness zone
6b

Explore more for Trenton, OH: full frost dates · planting calendar · Ohio frost dates

Climate data from the nearest NOAA station, Hamilton Butler Co Rgnl Ap, Oh (9.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.