Weather forecast for tomorrowIslitas, TX

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 77°F
  • 59°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphENE 59°
  • Humidity: 38%
  • UV index: 8
  • Sunrise: 7:40 am CDT
  • Sunset: 7:06 pm CDT
  • ▼
On Sunday, October 18, expect plenty of sunshine and only a few scattered clouds.
The temperature will fluctuate from a high of a warm 77°F to a low of a moderate 59°F.
It will be colder, as the maximum temperature reflects November's norm of 75.7°F instead of October's.
Sunrise will be at 7:40 am and sunset at 7:06 pm; tomorrow's daylight will last for 11h and 26min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 6 pm 75°C.
Coldest hour: 6 am 50°C.

Chance of precipitation

Highest chance: 6 am 1%.

Hourly weather forecast

  • 12 am
  • 57°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNNE 20°
  • Humidity: 47%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 55°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphN 5°
  • Humidity: 50%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNNE 11°
  • Humidity: 56%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNNE 32°
  • Humidity: 60%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:40 am
  • 8 am
  • 50°F
  • Feels like:
    48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNNE 32°
  • Humidity: 63%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 61°F
  • Feels like:
    61°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNE 55°
  • Humidity: 46%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNE 56°
  • Humidity: 33%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 2 pm
  • 73°F
  • Feels like:
    73°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNE 48°
  • Humidity: 27%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 8
  • ▼
  • 4 pm
  • 75°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphENE 75°
  • Humidity: 24%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 6 pm
  • 75°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphESE 118°
  • Humidity: 25%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 7:06 pm
  • 8 pm
  • 70°F
  • Feels like:
    70°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphESE 116°
  • Humidity: 35%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 66°F
  • Feels like:
    66°F
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphESE 112°
  • Humidity: 38%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of clear and dull weather is expected.
The temperature will vary between a minimum of 50°F and a maximum of 75.2°F. The warmest part of the day will be from 3 pm to 6 pm.
The maximum temperature will be more resembling November's average high of 75.7°F than October's 85.6°F. The minimum temperature tomorrow will be also more similar to November's average low of 58.6°F than October's average of 68.2°F.
Updated: Oct 17, 2026 @ 14:06:34 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, blue skies and warm sunshine will define the conditions.

Tomorrow, the highest temperature will be 77°F, while the lowest temperature will be 59°F.
Tomorrow, the maximum temperature will be a few degrees lower than the average highest temperature in October. The lowest temperature will be notably lower than the average low of 68.2°F.

On Sunday, in Islitas, sunrise will be at 7:40 am and sunset at 7:06 pm (CDT).

In Islitas, Texas, the length of the day tomorrow will be 11h and 26min.