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Trenton, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Trenton, a city in Butler County, Ohio.

Overnight
61°F
Showers And Thunderstorms Likely
A chance of rain showers between 1am and 4am, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Trenton

WhenTempForecastWindPrecip
Overnight 61°F Showers And Thunderstorms Likely 9 to 13 mph S 72%
Wednesday 69°F Showers And Thunderstorms 12 to 16 mph S 96%
Wednesday Night 50°F Slight Chance Rain Showers 5 to 9 mph SW 24%
Thursday 67°F Mostly Sunny 5 to 13 mph SW 0%
Thursday Night 44°F Partly Cloudy 1 to 6 mph W 1%
Friday 62°F Partly Sunny 1 to 8 mph NW 8%
Friday Night 39°F Partly Cloudy 7 mph NW 13%
Saturday 56°F Mostly Sunny 7 mph NW 14%
Saturday Night 34°F Partly Cloudy 3 mph NW 8%
Sunday 59°F Mostly Sunny 1 to 9 mph W 10%
Sunday Night 33°F Partly Cloudy 3 to 7 mph W 13%
Monday 61°F Sunny 3 to 10 mph W 13%
Monday Night 36°F Mostly Clear 7 mph SW 11%
Tuesday 65°F Sunny 6 to 10 mph W 3%

Forecast source: National Weather Service (api.weather.gov) for Trenton (39.479, -84.466). Updated through the day.

Growing snapshot for Trenton

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

More local growing data for Trenton: nearby ZIP 45067 weather · frost dates · planting calendar · Ohio frost dates

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Climate data from the nearest NOAA station, Hamilton Butler Co Rgnl Ap, Oh (9.3 mi from Trenton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.