Trenton, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trenton, a city in Fannin County, Texas.
Tonight
50°F
Mostly Clear
Mostly clear. Low around 50, with temperatures rising to around 52 overnight. Northwest wind 5 to 10 mph.
7-day forecast for Trenton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Wednesday | 69°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 48°F | Patchy Fog | 0 to 5 mph WSW | 0% |
| Thursday | 74°F | Mostly Sunny | 5 to 10 mph SSW | 10% |
| Thursday Night | 49°F | Partly Cloudy | 5 to 10 mph NNW | 13% |
| Friday | 67°F | Sunny | 10 mph N | 0% |
| Friday Night | 44°F | Mostly Clear | 5 mph N | 0% |
| Saturday | 65°F | Mostly Sunny | 5 mph N | 1% |
| Saturday Night | 44°F | Partly Cloudy | 5 mph N | 3% |
| Sunday | 68°F | Sunny | 5 mph NNW | 3% |
| Sunday Night | 43°F | Clear | 0 to 5 mph WSW | 1% |
| Monday | 70°F | Sunny | 5 mph SSW | 1% |
| Monday Night | 45°F | Clear | 5 mph S | 0% |
| Tuesday | 73°F | Sunny | 5 to 10 mph S | 2% |
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 Nov 4, 2026.