Weather forecast for 10 daysSan Isidro, TX

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 79°F
  • 61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphN 4°
  • Humidity: 42%
  • UV index: 7
  • Sunrise: 7:35 am CDT
  • Sunset: 7:02 pm CDT
  • ▼
Tomorrow, in San Isidro, sunlight and clouds will take turns dominating the sky.
The temperature is forecasted to vary between a moderately hot 78.8°F and a comfortable 60.8°F.
Forecast models suggest colder conditions, with a peak that mirrors November's climate average rather than October's.
Sunrise will be at 7:35 am and sunset at 7:02 pm; tomorrow's daylight will last for 11h and 28min.

10-day overview

Daily temperatures

Warmest period: Thursday - Monday 90°C.
Coldest day: tomorrow 79°C.

Chance of precipitation

Highest chance: Wednesday 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphN 351°
  • Humidity: 44%
  • UV index: 0
  • Sunrise: 7:34 am CDT
  • Sunset: 7:03 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 79°F
  • 61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphN 4°
  • Humidity: 42%
  • UV index: 7
  • Sunrise: 7:35 am CDT
  • Sunset: 7:02 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 81°F
  • 66°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 9mphNE 35°
  • Humidity: 58%
  • UV index: 6
  • Sunrise: 7:35 am CDT
  • Sunset: 7:01 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 86°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 11mphNE 44°
  • Humidity: 61%
  • UV index: 8
  • Sunrise: 7:36 am CDT
  • Sunset: 7:00 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 86°F
  • 66°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphNE 52°
  • Humidity: 68%
  • UV index: 7
  • Sunrise: 7:36 am CDT
  • Sunset: 7:00 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 90°F
  • 63°F
Sunny
Sunny
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 11mphENE 65°
  • Humidity: 62%
  • UV index: 8
  • Sunrise: 7:37 am CDT
  • Sunset: 6:59 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 90°F
  • 64°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 12mphESE 108°
  • Humidity: 56%
  • UV index: 8
  • Sunrise: 7:37 am CDT
  • Sunset: 6:58 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 90°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 14mphESE 122°
  • Humidity: 57%
  • UV index: 7
  • Sunrise: 7:38 am CDT
  • Sunset: 6:57 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 90°F
  • 66°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 14mphE 100°
  • Humidity: 58%
  • UV index: 6
  • Sunrise: 7:39 am CDT
  • Sunset: 6:56 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 90°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 12mphE 88°
  • Humidity: 57%
  • UV index: 7
  • Sunrise: 7:39 am CDT
  • Sunset: 6:55 pm CDT
  • ▼
In the days ahead, a combination of cloud-filled and mostly clear weather is expected.
Rain is not forecasted in San Isidro in the upcoming period.
In the upcoming days, the maximum temperature will vary between 78.8°F and 89.6°F, while the lowest nightly temperature differences will be quite pronounced, as nighttime lows are forecast to fall between 53.6°F and 68°F.
The hottest days will be Thursday through next Monday, with a maximum of 89.6°F; Sunday will be the coldest day, with the highest temperature of 78.8°F.
Taking the humidity into consideration, the maximum feel-like temperature may increase substantially and vary between 78.8°F and a fiery hot 100.4°F.
Updated: Oct 17, 2026 @ 21:06:15 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, partly cloudy skies will persist, making for a mix of sun and clouds.

Tomorrow, the highest temperature will be 78.8°F, while the lowest temperature will be 60.8°F.
The maximum temperature tomorrow will be a couple of degrees lower than the average highest temperature in October. The lowest temperature will be uncommonly lower than the average low of 70°F.

On Sunday, in San Isidro, sunrise will be at 7:35 am and sunset at 7:02 pm (CDT).

In San Isidro, the length of the day tomorrow will be 11h and 28min.