Mount Vernon, TX Weather & Growing Conditions
Overnight
71°F
Clear
Clear, with a low around 71. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Clear | 5 mph S | 0% |
| Saturday | 98°F | Sunny | 5 to 10 mph SW | 0% |
| Saturday Night | 72°F | Mostly Clear | 5 to 10 mph S | 0% |
| Sunday | 99°F | Sunny | 5 mph S | 0% |
| Sunday Night | 74°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph S | 22% |
| Monday | 97°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph W | 22% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph N | 21% |
| Tuesday | 95°F | Mostly Sunny | 5 to 10 mph N | 11% |
| Tuesday Night | 70°F | Partly Cloudy | 5 mph NE | 11% |
| Wednesday | 93°F | Mostly Sunny | 5 to 10 mph NE | 3% |
| Wednesday Night | 68°F | Mostly Clear | 5 mph NE | 3% |
| Thursday | 92°F | Sunny | 5 to 10 mph E | 1% |
| Thursday Night | 68°F | Mostly Clear | 5 mph E | 1% |
| Friday | 91°F | Mostly Sunny | 5 to 10 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mount Vernon, TX
Last spring frost
Mar 15
First fall frost
Nov 16
Growing season
245 days
Hardiness zone
8b
Explore more for Mount Vernon, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Mt Vernon, Tx (1.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.