Mertzon, TX Weather & Growing Conditions
Today
95°F
Mostly Sunny
Mostly sunny, with a high near 95. South wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Mostly Sunny | 10 mph S | 1% |
| Tonight | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph S | 16% |
| Sunday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph S | 25% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 mph S | 37% |
| Monday | 94°F | Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SE | 25% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 0 to 10 mph E | 38% |
| Tuesday | 88°F | Chance Showers And Thunderstorms | 0 to 10 mph E | 48% |
| Tuesday Night | 64°F | Chance Showers And Thunderstorms | 5 to 10 mph E | 48% |
| Wednesday | 89°F | Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph ESE | 30% |
| Wednesday Night | 65°F | Partly Cloudy | 5 to 10 mph ESE | 11% |
| Thursday | 90°F | Mostly Sunny | 5 to 10 mph SE | 11% |
| Thursday Night | 65°F | Mostly Cloudy | 5 to 10 mph SE | 9% |
| Friday | 90°F | Mostly Sunny | 5 to 10 mph SE | 9% |
| Friday Night | 65°F | Partly Cloudy | 5 to 10 mph SE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mertzon, TX
Last spring frost
Apr 1
First fall frost
Nov 4
Growing season
215 days
Hardiness zone
8a
Explore more for Mertzon, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Mertzon 12Nnw, Tx (13.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.