Trenton, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trenton, a city in Todd County, Kentucky.
This Afternoon
70°F
Mostly Cloudy
Mostly cloudy. High near 70, with temperatures falling to around 63 in the afternoon. West southwest wind 8 to 13 mph.
7-day forecast for Trenton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Mostly Cloudy | 8 to 13 mph WSW | 1% |
| Tonight | 49°F | Mostly Cloudy | 2 to 7 mph WSW | 0% |
| Thursday | 68°F | Mostly Sunny | 2 to 7 mph SW | 0% |
| Thursday Night | 43°F | Mostly Clear | 2 mph WNW | 0% |
| Friday | 62°F | Mostly Sunny | 2 to 10 mph NNW | 0% |
| Friday Night | 36°F | Partly Cloudy | 5 to 9 mph N | 0% |
| Saturday | 56°F | Sunny | 5 to 8 mph N | 0% |
| Saturday Night | 31°F | Mostly Clear | 0 to 3 mph N | 0% |
| Sunday | 59°F | Sunny | 0 to 6 mph N | 0% |
| Sunday Night | 32°F | Mostly Clear | 2 mph NNW | 0% |
| Monday | 62°F | Sunny | 0 to 3 mph NE | 0% |
| Monday Night | 34°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 64°F | Sunny | 0 to 5 mph W | 0% |
| Tuesday Night | 37°F | Mostly Clear | 2 mph NW | 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.