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

75°F

24°C

Humidity 43%
Wind Speed Calm
Barometer 29.99 in (1014.1 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 4 Nov 12:51 pm CST
Extended Forecast for

Castle Hills TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 77. Calm wind becoming northeast around 5 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. East southeast wind around 5 mph becoming calm.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 79. South wind around 5 mph becoming calm in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. Light and variable wind becoming north 15 to 20 mph after midnight. Winds could gust as high as 30 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 73. North wind 10 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 40 percent chance of showers after noon. Mostly cloudy, 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 Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 53. North northeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 64. North northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 77. Calm wind becoming northeast around 5 mph.
Tonight
Mostly clear, with a low around 55. East southeast wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 79. South wind around 5 mph becoming calm in the afternoon.
Thursday Night
Partly cloudy, with a low around 57. Light and variable wind becoming north 15 to 20 mph after midnight. Winds could gust as high as 30 mph.
Friday
Sunny, with a high near 73. North wind 10 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 40 percent chance of showers after noon. Mostly cloudy, with a high near 68. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 53. North northeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Sunday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 64. North northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 50.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.51°W (Elev. 869 ft)
Last Update:
12:24 pm CST Nov 4, 2026
Forecast Valid:
1pm CST Nov 4, 2026-6pm CST Nov 10, 2026
 
Forecast Discussion
 
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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