Trenton, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trenton, a city in Butler County, Ohio.
Tonight
68°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms between 2am and 5am. Mostly cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Trenton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Chance Showers And Thunderstorms | 5 mph S | 26% |
| Sunday | 87°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 3 to 9 mph W | 47% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 mph N | 60% |
| Monday | 72°F | Chance Showers And Thunderstorms | 10 to 14 mph NE | 38% |
| Monday Night | 55°F | Chance Rain Showers | 7 to 13 mph NE | 38% |
| Tuesday | 73°F | Chance Rain Showers | 8 to 12 mph NE | 31% |
| Tuesday Night | 59°F | Chance Rain Showers | 6 to 12 mph NE | 40% |
| Wednesday | 72°F | Showers And Thunderstorms Likely | 8 mph NE | 58% |
| Wednesday Night | 57°F | Showers And Thunderstorms Likely | 6 to 12 mph NE | 58% |
| Thursday | 72°F | Slight Chance Rain Showers | 8 mph NE | 19% |
| Thursday Night | 56°F | Mostly Cloudy | 3 to 8 mph NE | 14% |
| Friday | 73°F | Partly Sunny | 3 to 9 mph NE | 6% |
| Friday Night | 52°F | Partly Cloudy | 3 to 9 mph NE | 6% |
| Saturday | 75°F | Mostly Sunny | 5 to 8 mph NE | 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
Nearby towns & communities
Beckett Ridge
Darrtown
Fairfield
Hamilton
Jacksonburg
Middletown
Millville
Monroe
New Miami
Olde West Chester
Oxford
Pleasant Run Farm
Seven Mile
Somerville
Wetherington
Williamsdale
Woodsdale
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 Sep 20, 2026.