Weather forecast for todaySan Juan, TX

Weather forecast for today

Current condition 6:18 am CDT

  • 72°F
  • Feels like:
    72°F
Mostly Cloudy
Mostly Cloudy
  • Precipitation: 0"
  • Wind: 6mphN 10°
  • Humidity: 72%
  • Dewpoint: 63°F
  • Pressure: 30.08"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In San Juan, currently, mostly clouded conditions are dominating the sky.
The temperature is a pleasant 71.6°F. The current temperature is near the lowest anticipated 68°F for today.

Tuesday Oct 20, 2026

  • 88°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphNNE 33°
  • Humidity: 53%
  • UV index: 8
  • Sunrise: 7:34 am CDT
  • Sunset: 7:00 pm CDT
  • ▼
On Tuesday, October 20, mostly clear with scattered clouds is expected.
Predicted temperatures will peak at a blazing 87.8°F and dip to a minimum of an agreeable 68°F.
The maximum heat index, which integrates air moisture with ambient temperature, is computed to be a humid 91.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The high is anticipated to coincide with October's normal of 87.3°F.
Sunrise will be at 7:34 am and sunset at 7:00 pm; the daylight will last for 11h and 26min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 88°C.
Coldest hour: 7 am 72°C.

Chance of precipitation

Highest chance: 11 pm 4%.

Hourly weather forecast

  • 7 am
  • 72°F
  • Feels like:
    72°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphNNE 15°
  • Humidity: 73%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:34 am
  • 8 am
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphNNE 17°
  • Humidity: 73%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 am
  • 75°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphNNE 21°
  • Humidity: 66%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 10 am
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphNNE 25°
  • Humidity: 63%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 11 am
  • 81°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNE 36°
  • Humidity: 54%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 12 pm
  • 84°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphNE 39°
  • Humidity: 47%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 7
  • ▼
  • 1 pm
  • 86°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphNE 38°
  • Humidity: 43%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 8
  • ▼
  • 2 pm
  • 86°F
  • Feels like:
    88°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphNE 36°
  • Humidity: 40%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 8
  • ▼
  • 3 pm
  • 88°F
  • Feels like:
    88°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphNE 40°
  • Humidity: 39%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 4 pm
  • 86°F
  • Feels like:
    88°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphNE 42°
  • Humidity: 38%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 5 pm
  • 86°F
  • Feels like:
    86°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphNE 45°
  • Humidity: 40%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 84°F
  • Feels like:
    84°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphNE 55°
  • Humidity: 41%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 7 pm
  • 82°F
  • Feels like:
    82°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphENE 60°
  • Humidity: 48%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 7:00 pm
  • 8 pm
  • 79°F
  • Feels like:
    81°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphENE 58°
  • Humidity: 58%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 75°F
  • Feels like:
    77°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphNE 55°
  • Humidity: 65%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 73°F
  • Feels like:
    75°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphNE 50°
  • Humidity: 71%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 73°F
  • Feels like:
    73°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphNNE 34°
  • Humidity: 77%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in San Juan, primarily dull and occasionally clear weather is expected.
The temperature will vary between the highest temperature of 87.8°F and the lowest temperature of 71.6°F. The hottest part of the day is anticipated around 3 pm.
The maximum temperature will be alike with the average high of 87.3°F in October. The expected low will be also comparable to the average minimum in October, which is 70.7°F.
Updated: Oct 20, 2026 @ 11:18:24 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 6:18 am CDT, the temperature is 71.6°F.

On Tuesday, clouds and sunshine will create a dynamic sky throughout the day.

Today, the highest temperature will be 87.8°F, while the lowest temperature will be 68°F. The maximum heat index, which factors the actual air temperature with the relative humidity, is estimated at 91.4°F.
The highest temperature will be in line with the average maximum of 87.3°F in October. The lowest temperature will be also in line with the average low of 70.7°F.

On Tuesday, in San Juan, sunrise will be at 7:34 am and sunset at 7:00 pm (CDT).

Today, the daylight will last for 11h and 26min.