Mount Vernon, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Vernon, a town in Franklin County, Texas.
Today
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 104. South wind around 5 mph.
7-day forecast for Mount Vernon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 5 mph S | 10% |
| Tonight | 76°F | Mostly Clear | 5 mph S | 10% |
| Wednesday | 99°F | Sunny | 5 to 10 mph S | 2% |
| Wednesday Night | 77°F | Mostly Clear | 5 to 10 mph S | 2% |
| Thursday | 98°F | Mostly Sunny | 5 to 10 mph S | 4% |
| Thursday Night | 76°F | Partly Cloudy | 5 mph S | 4% |
| Friday | 95°F | Mostly Sunny | 5 mph S | 14% |
| Friday Night | 74°F | Mostly Clear | 5 mph SE | 14% |
| Saturday | 95°F | Sunny | 5 mph S | 13% |
| Saturday Night | 74°F | Partly Cloudy | 5 mph S | 13% |
| Sunday | 95°F | Sunny | 5 mph S | 7% |
| Sunday Night | 74°F | Partly Cloudy | 5 to 10 mph S | 7% |
| Monday | 95°F | Mostly Sunny | 5 to 10 mph S | 9% |
| Monday Night | 75°F | Mostly Clear | 5 to 10 mph S | 9% |
Forecast source: National Weather Service (api.weather.gov) for Mount Vernon (33.177, -95.224). Updated through the day.
Growing snapshot for Mount Vernon
Last spring frost
Mar 15
First fall frost
Nov 16
Growing season
245 days
Hardiness zone
8b
More local growing data for Mount Vernon: nearby ZIP 75457 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mt Vernon, Tx (1.6 mi from Mount Vernon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.