National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

A Few Clouds

72°F

22°C

Humidity 48%
Wind Speed E 5 mph
Barometer 30.05 in (1016.2 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 4 Nov 10:51 am CST
Extended Forecast for

Castle Hills TX

  • Today

    Today: Sunny, with a high near 75. Northeast wind around 5 mph becoming calm.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 55. East wind around 5 mph becoming calm.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Calm wind becoming southeast around 5 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. Light and variable wind becoming north 15 to 20 mph in the evening. Winds could gust as high as 30 mph.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 73. North wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Partly sunny, with a high near 68. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 68 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 53. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before noon. Partly sunny, with a high near 66. North northeast wind 5 to 10 mph.

    High: 66 °F

    Slight Chance
    Showers then
    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 75. Northeast wind around 5 mph becoming calm.
Tonight
Clear, with a low around 55. East wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 78. Calm wind becoming southeast around 5 mph.
Thursday Night
Partly cloudy, with a low around 59. Light and variable wind becoming north 15 to 20 mph in the evening. Winds could gust as high as 30 mph.
Friday
Sunny, with a high near 73. North wind 5 to 15 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 55. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of showers after noon. Partly sunny, with a high near 68. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers before noon. Partly sunny, with a high near 66. North northeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.51°W (Elev. 869 ft)
Last Update:
10:33 am CST Nov 4, 2026
Forecast Valid:
10am CST Nov 4, 2026-6pm CST Nov 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation