Mount Vernon, TX Weather & Growing Conditions
Tonight
49°F
Mostly Clear
Mostly clear, with a low around 49. Northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Mostly Clear | 5 mph NW | 0% |
| Wednesday | 69°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 46°F | Partly Cloudy | 0 mph | 0% |
| Thursday | 74°F | Mostly Sunny | 0 to 5 mph S | 1% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph W | 1% |
| Friday | 69°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Friday Night | 43°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 66°F | Partly Sunny | 5 mph N | 0% |
| Saturday Night | 42°F | Partly Cloudy | 0 mph | 5% |
| Sunday | 68°F | Sunny | 0 to 5 mph NW | 3% |
| Sunday Night | 40°F | Clear | 0 mph | 1% |
| Monday | 70°F | Sunny | 0 to 5 mph SW | 1% |
| Monday Night | 42°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 73°F | Sunny | 0 to 5 mph SW | 1% |
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 Nov 4, 2026.