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
98°F
Sunny
Sunny, with a high near 98. South wind 5 to 10 mph.
7-day forecast for Mount Vernon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 5 to 10 mph S | 0% |
| Tonight | 73°F | Mostly Clear | 5 to 10 mph S | 0% |
| Sunday | 99°F | Mostly Sunny | 5 to 10 mph S | 0% |
| Sunday Night | 74°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph S | 18% |
| Monday | 98°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 25% |
| Monday Night | 72°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph N | 25% |
| Tuesday | 95°F | Mostly Sunny | 5 to 10 mph N | 12% |
| Tuesday Night | 68°F | Partly Cloudy | 5 mph NE | 5% |
| Wednesday | 92°F | Mostly Sunny | 5 to 10 mph NE | 6% |
| Wednesday Night | 67°F | Mostly Clear | 5 mph E | 1% |
| Thursday | 91°F | Mostly Sunny | 5 mph E | 1% |
| Thursday Night | 66°F | Partly Cloudy | 5 mph E | 1% |
| Friday | 91°F | Mostly Sunny | 5 mph E | 2% |
| Friday Night | 67°F | Partly Cloudy | 5 mph E | 1% |
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 Sep 19, 2026.