Mertzon, TX Weather & Growing Conditions
Today
98°F
Sunny
Sunny. High near 98, with temperatures falling to around 95 in the afternoon. South wind around 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 15 mph S | 0% |
| Tonight | 72°F | Clear | 5 to 15 mph SSE | 0% |
| Wednesday | 96°F | Sunny | 10 to 15 mph S | 0% |
| Wednesday Night | 72°F | Mostly Clear | 10 to 15 mph SSE | 0% |
| Thursday | 96°F | Sunny | 10 to 15 mph S | 0% |
| Thursday Night | 72°F | Mostly Clear | 10 to 15 mph SSE | 0% |
| Friday | 96°F | Sunny | 10 mph S | 1% |
| Friday Night | 72°F | Mostly Clear | 5 to 10 mph SSE | 2% |
| Saturday | 95°F | Sunny | 5 to 10 mph S | 1% |
| Saturday Night | 71°F | Mostly Clear | 5 to 10 mph SSE | 2% |
| Sunday | 95°F | Sunny | 10 mph S | 1% |
| Sunday Night | 71°F | Mostly Clear | 10 mph S | 1% |
| Monday | 95°F | Sunny | 10 to 15 mph S | 1% |
| Monday Night | 72°F | Mostly Clear | 10 to 15 mph SSE | 2% |
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 Aug 4, 2026.