Trenton, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trenton, a city in Todd County, Kentucky.
Overnight
61°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. Low around 61, with temperatures rising to around 64 overnight. South southeast wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.
7-day forecast for Trenton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Showers And Thunderstorms | 15 mph SSE | 100% |
| Wednesday | 70°F | Rain Showers Likely then Partly Sunny | 7 to 13 mph SW | 73% |
| Wednesday Night | 46°F | Partly Cloudy | 5 mph WSW | 0% |
| Thursday | 70°F | Sunny | 2 to 7 mph WSW | 0% |
| Thursday Night | 44°F | Mostly Clear | 2 mph WNW | 0% |
| Friday | 66°F | Mostly Sunny | 1 to 10 mph NNW | 0% |
| Friday Night | 38°F | Partly Cloudy | 5 to 8 mph N | 0% |
| Saturday | 59°F | Mostly Sunny | 5 to 8 mph N | 0% |
| Saturday Night | 33°F | Partly Cloudy | 3 mph N | 0% |
| Sunday | 59°F | Mostly Sunny | 2 to 8 mph NNW | 1% |
| Sunday Night | 33°F | Mostly Clear | 0 to 3 mph N | 0% |
| Monday | 63°F | Sunny | 0 to 5 mph SSW | 0% |
| Monday Night | 35°F | Clear | 2 mph SW | 1% |
| Tuesday | 68°F | Sunny | 1 to 6 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Trenton (36.721, -87.262). Updated through the day.
Growing snapshot for Trenton
Last spring frost
Apr 3
First fall frost
Oct 29
Growing season
207 days
Hardiness zone
7a
More local growing data for Trenton: nearby ZIP 42286 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Elkton, Ky (8.5 mi from Trenton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.