Trenton, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trenton, a city in Fannin County, Texas.
Overnight
74°F
Mostly Clear
Mostly clear. Low around 74, with temperatures rising to around 76 overnight. Wind around 0 mph.
7-day forecast for Trenton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 74°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 100°F | Sunny | 5 to 10 mph S | 1% |
| Tuesday Night | 75°F | Clear | 5 to 10 mph SSE | 1% |
| Wednesday | 100°F | Sunny | 5 to 10 mph SSW | 0% |
| Wednesday Night | 77°F | Mostly Clear | 10 mph SSE | 0% |
| Thursday | 98°F | Sunny | 10 mph SSW | 2% |
| Thursday Night | 77°F | Mostly Clear | 10 mph SSE | 2% |
| Friday | 97°F | Sunny | 10 mph S | 12% |
| Friday Night | 75°F | Mostly Clear | 10 mph SSE | 12% |
| Saturday | 96°F | Sunny | 5 to 10 mph S | 9% |
| Saturday Night | 75°F | Mostly Clear | 10 mph SSE | 9% |
| Sunday | 96°F | Sunny | 10 mph S | 5% |
| Sunday Night | 75°F | Mostly Clear | 10 mph SSE | 5% |
| Monday | 96°F | Sunny | 10 to 15 mph S | 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 Aug 4, 2026.