Weather forecast for 10 daysSan Juan, TX

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 75°F
  • 57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 19mphN 351°
  • Humidity: 36%
  • UV index: 8
  • Sunrise: 7:32 am CDT
  • Sunset: 7:02 pm CDT
  • ▼
On Saturday, October 17, skies are expected to be clear and full of sunshine.
The temperature will vary between a maximum of a moderately hot 75.2°F and a minimum of a refreshing 57.2°F.
Today, the maximum temperature is expected to align with November's average high of 77.7°F instead of October's.
Sunrise was at 7:32 am and sunset will be at 7:02 pm; the daylight will last for 11h and 30min.

Sunday Oct 18, 2026

  • 79°F
  • 64°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphN 351°
  • Humidity: 43%
  • UV index: 7
  • Sunrise: 7:33 am CDT
  • Sunset: 7:02 pm CDT
  • ▼
Tomorrow, on Sunday, October 18, a mostly gray sky is forecasted with minimal brightness.
The temperature is predicted to vary between a maximum of a temperate 78.8°F and a minimum of a breezy 64.4°F.
Tomorrow, temperatures will feel colder as the forecast mirrors November's average high rather than October's.
Sunrise will be at 7:33 am and sunset at 7:02 pm; tomorrow's daylight will last for 11h and 29min.

10-day overview

Daily temperatures

Warmest period: Saturday - Monday 91°C.
Coldest day: today 75°C.

Chance of precipitation

Highest chance: Wednesday 41%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 75°F
  • 57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 19mphN 351°
  • Humidity: 36%
  • UV index: 8
  • Sunrise: 7:32 am CDT
  • Sunset: 7:02 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 79°F
  • 64°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphN 351°
  • Humidity: 43%
  • UV index: 7
  • Sunrise: 7:33 am CDT
  • Sunset: 7:02 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 82°F
  • 68°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 10mphNNE 18°
  • Humidity: 61%
  • UV index: 7
  • Sunrise: 7:33 am CDT
  • Sunset: 7:01 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 86°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 12mphNE 34°
  • Humidity: 65%
  • UV index: 8
  • Sunrise: 7:34 am CDT
  • Sunset: 7:00 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 86°F
  • 66°F
Showers
Showers
  • Precip. probability: 41%
  • Precipitation: 0.12"
  • Wind: 12mphNE 46°
  • Humidity: 66%
  • UV index: 8
  • Sunrise: 7:35 am CDT
  • Sunset: 6:59 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 90°F
  • 64°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 12mphENE 60°
  • Humidity: 62%
  • UV index: 8
  • Sunrise: 7:35 am CDT
  • Sunset: 6:58 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 90°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 13mphESE 108°
  • Humidity: 56%
  • UV index: 8
  • Sunrise: 7:36 am CDT
  • Sunset: 6:57 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 91°F
  • 72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 15mphSE 128°
  • Humidity: 57%
  • UV index: 7
  • Sunrise: 7:36 am CDT
  • Sunset: 6:56 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 91°F
  • 72°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 14mphESE 118°
  • Humidity: 57%
  • UV index: 6
  • Sunrise: 7:37 am CDT
  • Sunset: 6:55 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 91°F
  • 73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 14mphESE 121°
  • Humidity: 58%
  • UV index: 7
  • Sunrise: 7:37 am CDT
  • Sunset: 6:55 pm CDT
  • ▼
During the ten-day period, primarily gloomy and occasionally sun-filled and rain-soaked weather is anticipated.
With a probability of 41%, rainfall is predicted only for Wednesday. Expected precipitation will be minimal at 0.12".
Temperature differences will be noticeable in the coming days. The maximum temperature will vary between 75.2°F and 91.4°F, while the nightly low temperatures will show also a considerable swing, as the overnight lows will vary from 57.2°F to 73.4°F.
Next Saturday through next Monday, with the highest temperature of 91.4°F, will be the hottest days; today is the coldest day, with a maximum temperature of 75.2°F.
Including the humidity's impact, the maximum feel-like temperature may increase considerably and range between 75.2°F and a torrid 102.2°F.
Updated: Oct 17, 2026 @ 14:20:29 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, in San Juan, sunny skies and pleasant visibility are expected.

Today, the highest temperature will be 75.2°F, while the lowest temperature will be 57.2°F.
Today, the maximum temperature will be uncommonly lower than the average highest temperature of 87.3°F in October. Today, the lowest temperature will be also notably lower than the average low of 70.7°F.

On Saturday, in San Juan, sunrise was at 7:32 am and sunset will be at 7:02 pm (CDT).

In San Juan, the length of the day today will be 11h and 30min.

On Sunday, clouds will hold steady, keeping conditions mostly dim.

Tomorrow, the maximum temperature will be 78.8°F, while the minimum temperature will be 64.4°F.
The maximum temperature will be a couple of degrees lower than the average highest temperature of 87.3°F in October. Tomorrow, the lowest temperature will be also moderately lower than the average low temperature.

On Sunday, in San Juan, sunrise will be at 7:33 am and sunset at 7:02 pm (CDT).

In San Juan, tomorrow, there will be 11h and 29min of daylight.