Trenton, TN Weather & Growing Conditions
Overnight
72°F
Mostly Clear
Mostly clear, with a low around 72. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Mostly Clear | 0 mph | 1% |
| Saturday | 99°F | Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 71°F | Mostly Clear | 0 to 5 mph S | 1% |
| Sunday | 99°F | Mostly Sunny | 0 to 5 mph SW | 1% |
| Sunday Night | 71°F | Partly Cloudy | 0 to 5 mph WSW | 2% |
| Monday | 96°F | Mostly Sunny | 0 to 10 mph WNW | 14% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 5 mph NNE | 37% |
| Tuesday | 86°F | Chance Rain Showers | 5 to 15 mph N | 31% |
| Tuesday Night | 61°F | Partly Cloudy | 5 to 15 mph N | 13% |
| Wednesday | 83°F | Mostly Sunny | 5 to 10 mph N | 7% |
| Wednesday Night | 59°F | Mostly Clear | 5 to 10 mph NNE | 3% |
| Thursday | 83°F | Mostly Sunny | 5 to 10 mph NNE | 3% |
| Thursday Night | 59°F | Partly Cloudy | 0 to 10 mph NNE | 1% |
| Friday | 83°F | Mostly Sunny | 5 to 10 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Trenton, TN
Last spring frost
Mar 28
First fall frost
Nov 4
Growing season
220 days
Hardiness zone
7b
Explore more for Trenton, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Alamo 1 N, Tn (13.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.