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

66°F

19°C

Humidity 54%
Wind Speed Calm
Barometer 30.16 in (1019.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 11 Feb 7:51 pm CST
Extended Forecast for

Castle Hills TX

  • Tonight

    Tonight: Partly cloudy, with a low around 54. North northeast wind around 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 77 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. South southeast wind around 5 mph becoming calm after midnight.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 80. Light south southeast wind becoming southeast 5 to 10 mph in the morning.

    High: 80 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 64. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 81. South southeast wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Clear, with a low around 56. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 76. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. North wind around 5 mph becoming calm after midnight.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. North northeast wind around 5 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 59. South southeast wind around 5 mph becoming calm after midnight.
Friday
Mostly cloudy, with a high near 80. Light south southeast wind becoming southeast 5 to 10 mph in the morning.
Friday Night
A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 64. South southeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 81. South southeast wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Saturday Night
Clear, with a low around 56. Northwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 76. North wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 49. North wind around 5 mph becoming calm after midnight.
Washington's Birthday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 81.
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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:
5:46 pm CST Feb 11, 2026
Forecast Valid:
8pm CST Feb 11, 2026-6pm CST Feb 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation