Trenton, TN Weather & Growing Conditions
Today
68°F
Partly Sunny
Partly sunny. High near 68, with temperatures falling to around 59 in the afternoon. West wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Partly Sunny | 5 to 10 mph W | 0% |
| Tonight | 43°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Thursday | 70°F | Sunny | 0 to 5 mph W | 0% |
| Thursday Night | 44°F | Mostly Clear | 0 mph | 0% |
| Friday | 65°F | Mostly Sunny | 0 to 10 mph NNW | 0% |
| Friday Night | 38°F | Mostly Clear | 5 to 10 mph N | 0% |
| Saturday | 59°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 60°F | Mostly Sunny | 0 to 10 mph N | 0% |
| Sunday Night | 32°F | Mostly Clear | 0 to 5 mph N | 0% |
| Monday | 64°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 35°F | Clear | 0 mph | 1% |
| Tuesday | 68°F | Sunny | 0 to 5 mph W | 1% |
| Tuesday Night | 38°F | Mostly Clear | 0 mph | 0% |
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 Nov 4, 2026.