Trenton, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trenton, a city in Todd County, Kentucky.
Overnight
65°F
Mostly Clear
Mostly clear. Low around 65, with temperatures rising to around 67 overnight. North northeast wind around 3 mph.
7-day forecast for Trenton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Mostly Clear | 3 mph NNE | 0% |
| Tuesday | 87°F | Sunny | 6 mph NNE | 1% |
| Tuesday Night | 68°F | Mostly Clear | 1 to 6 mph NNE | 1% |
| Wednesday | 89°F | Sunny | 0 to 3 mph NNW | 8% |
| Wednesday Night | 70°F | Partly Cloudy | 2 mph SSE | 12% |
| Thursday | 91°F | Sunny | 6 mph SSW | 8% |
| Thursday Night | 72°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph S | 15% |
| Friday | 90°F | Chance Showers And Thunderstorms | 7 mph SSW | 32% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 5 mph SSW | 32% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 43% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph S | 43% |
| Sunday | 90°F | Chance Showers And Thunderstorms | 5 mph SSW | 25% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SSW | 25% |
| Monday | 91°F | Mostly Sunny | 6 mph SSW | 11% |
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 Aug 4, 2026.