Trenton, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trenton, a city in Butler County, Ohio.
Tonight
61°F
Partly Cloudy then Patchy Fog
Patchy fog after midnight. Partly cloudy, with a low around 61. Northeast wind around 5 mph.
7-day forecast for Trenton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Partly Cloudy then Patchy Fog | 5 mph NE | 3% |
| Saturday | 83°F | Areas Of Fog then Slight Chance Showers And Thunderstorms | 6 mph SE | 46% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph S | 63% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 2 to 7 mph SW | 49% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 49% |
| Monday | 76°F | Chance Showers And Thunderstorms | 8 to 12 mph NE | 51% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 9 to 14 mph NE | 49% |
| Tuesday | 73°F | Chance Showers And Thunderstorms | 12 mph NE | 42% |
| Tuesday Night | 59°F | Chance Showers And Thunderstorms | 6 to 13 mph NE | 39% |
| Wednesday | 72°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 9 mph N | 25% |
| Wednesday Night | 57°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph N | 24% |
| Thursday | 72°F | Partly Sunny | 6 to 9 mph N | 10% |
| Thursday Night | 56°F | Mostly Cloudy | 3 to 9 mph N | 10% |
| Friday | 72°F | Partly Sunny | 5 to 9 mph N | 5% |
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 19, 2026.