Trenton, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trenton, a city in Fannin County, Texas.
Tonight
73°F
Clear
Clear. Low around 73, with temperatures rising to around 75 overnight. South wind around 5 mph.
7-day forecast for Trenton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Clear | 5 mph S | 0% |
| Saturday | 97°F | Sunny | 5 to 10 mph SSW | 0% |
| Saturday Night | 73°F | Mostly Clear | 10 mph S | 0% |
| Sunday | 97°F | Mostly Sunny | 10 mph S | 9% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms | 5 mph S | 46% |
| Monday | 94°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph WSW | 46% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph NE | 19% |
| Tuesday | 92°F | Mostly Sunny | 10 mph NNE | 11% |
| Tuesday Night | 68°F | Partly Cloudy | 10 mph NE | 7% |
| Wednesday | 91°F | Mostly Sunny | 10 mph ENE | 8% |
| Wednesday Night | 68°F | Partly Cloudy | 5 to 10 mph ENE | 2% |
| Thursday | 91°F | Sunny | 5 to 10 mph E | 6% |
| Thursday Night | 68°F | Partly Cloudy | 5 to 10 mph E | 6% |
| Friday | 91°F | Mostly Sunny | 5 to 10 mph E | 4% |
Forecast source: National Weather Service (api.weather.gov) for Trenton (33.426, -96.345). Updated through the day.
Growing snapshot for Trenton
Last spring frost
Mar 16
First fall frost
Nov 13
Growing season
242 days
Hardiness zone
8a
More local growing data for Trenton: nearby ZIP 75490 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bonham 3Nne, Tx (16.2 mi from Trenton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.