Weather forecast for 10 daysMertzon, TX

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 72°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 9mphS 176°
  • Humidity: 47%
  • UV index: 7
  • Sunrise: 7:48 am CDT
  • Sunset: 7:08 pm CDT
  • ▼
Tomorrow, sunny skies and pleasant visibility are also expected.
Temperatures are forecasted to range from a maximum of a delightful 71.6°F to a minimum of a frosty 46.4°F.
The forecast high of 71.6°F is more in line with November's average of 66.9°F than October's 77.7°F.
Sunrise will be at 7:48 am and sunset at 7:08 pm; tomorrow's daylight will last for 11h and 20min.

10-day overview

Daily temperatures

Warmest period: Wednesday - Friday 84°C.
Coldest day: tomorrow 72°C.

Chance of precipitation

Highest chance: Monday 26.10. 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 39°F
Mostly Clear
Mostly Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphS 173°
  • Humidity: 72%
  • UV index: 0
  • Sunrise: 7:47 am CDT
  • Sunset: 7:09 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 72°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 9mphS 176°
  • Humidity: 47%
  • UV index: 7
  • Sunrise: 7:48 am CDT
  • Sunset: 7:08 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 77°F
  • 52°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 12mphS 170°
  • Humidity: 42%
  • UV index: 6
  • Sunrise: 7:49 am CDT
  • Sunset: 7:07 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 79°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 11mphSSE 160°
  • Humidity: 58%
  • UV index: 6
  • Sunrise: 7:49 am CDT
  • Sunset: 7:06 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 84°F
  • 55°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 9mphS 174°
  • Humidity: 52%
  • UV index: 6
  • Sunrise: 7:50 am CDT
  • Sunset: 7:05 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 84°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 10mphS 174°
  • Humidity: 51%
  • UV index: 6
  • Sunrise: 7:51 am CDT
  • Sunset: 7:04 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 84°F
  • 61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 16mphS 174°
  • Humidity: 50%
  • UV index: 6
  • Sunrise: 7:52 am CDT
  • Sunset: 7:03 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 81°F
  • 61°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 18mphS 173°
  • Humidity: 55%
  • UV index: 5
  • Sunrise: 7:52 am CDT
  • Sunset: 7:01 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 79°F
  • 59°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 12mphSSE 162°
  • Humidity: 62%
  • UV index: 4
  • Sunrise: 7:53 am CDT
  • Sunset: 7:01 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 79°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 11mphSSE 164°
  • Humidity: 63%
  • UV index: 5
  • Sunrise: 7:54 am CDT
  • Sunset: 7:00 pm CDT
  • ▼
Over the next ten days, conditions will reflect that a combination of cloud-filled and mostly clear weather is predicted.
Rainfall is not expected in Mertzon in the upcoming days.
The temperature will vary considerably across the forecast period. The temperature is expected to swing from 71.6°F up to 84.2°F, while the nightly low temperatures will show also a considerable swing, as nighttime lows are forecast to fall between 39.2°F and 60.8°F.
The hottest days will be Wednesday through Friday, with a maximum of 84.2°F; Sunday will be the coldest day, with the highest temperature of 71.6°F.
Updated: Oct 18, 2026 @ 03:29:09 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, sunny and dry conditions are anticipated.

Tomorrow, the highest temperature will be 71.6°F, while the lowest temperature will be 46.4°F.
The highest temperature tomorrow will be relatively lower than the average maximum temperature in October. Tomorrow, the lowest temperature will be noticeably lower than the average low of 58.6°F.

On Sunday, in Mertzon, sunrise will be at 7:48 am and sunset at 7:08 pm (CDT).

In Mertzon, tomorrow, there will be 11h and 20min of daylight.