Weather forecast for tomorrowMertens, TX

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 72°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphE 100°
  • Humidity: 49%
  • UV index: 6
  • Sunrise: 7:33 am CDT
  • Sunset: 6:51 pm CDT
  • ▼
Tomorrow, on Sunday, clear skies with only minor cloud interruptions are in the outlook.
The highest anticipated temperature is a delightful 71.6°F, while the lowest temperature will be a chilly 46.4°F.
Tomorrow, the expected high will be slightly cooler than the average October maximum of 76.5°F.
Sunrise will be at 7:33 am and sunset at 6:51 pm; tomorrow's daylight will last for 11h and 19min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 6 pm 70°C.
Coldest hour: 6 am 46°C.

Chance of precipitation

Highest chance: 6 am 4%.

Hourly weather forecast

  • 12 am
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphN 356°
  • Humidity: 62%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 50°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphN 355°
  • Humidity: 68%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 46°F
  • Feels like:
    46°F
Mostly Clear
Mostly Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphN 357°
  • Humidity: 76%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphNNE 25°
  • Humidity: 82%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:33 am
  • 8 am
  • 46°F
  • Feels like:
    46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphNE 43°
  • Humidity: 82%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphESE 102°
  • Humidity: 57%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphSE 133°
  • Humidity: 41%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 2 pm
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphESE 119°
  • Humidity: 35%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 4 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphESE 108°
  • Humidity: 32%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 6 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphESE 112°
  • Humidity: 32%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:51 pm
  • 8 pm
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphE 93°
  • Humidity: 44%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 59°F
  • Feels like:
    59°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphE 97°
  • Humidity: 51%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, primarily bright and occasionally overcast weather is predicted.
The temperature will be between a minimum of 44.6°F and a maximum of 71.6°F. The warmest part of the day is expected around 5 pm.
The highest temperature tomorrow will be a few degrees lower than October's typical maximum temperature. The minimum temperature tomorrow will be more similar to November's average low of 49.1°F than October's average of 58.5°F.
Updated: Oct 17, 2026 @ 20:35:01 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, mostly sunny weather is likely, with high visibility.

Tomorrow, the maximum temperature will be 71.6°F, while the minimum temperature will be 46.4°F.
The highest temperature tomorrow will be relatively lower than the average maximum temperature in October. The lowest temperature will be uncommonly lower than the average low of 58.5°F.

On Sunday, in Mertens, sunrise will be at 7:33 am and sunset at 6:51 pm (CDT).

In Mertens, Texas, tomorrow, there will be 11h and 19min of daylight.