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.

Partly Cloudy

71°F

22°C

Humidity 66%
Wind Speed S 10 mph
Barometer 30.07 in (1016.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 12 Feb 9:51 pm CST
Extended Forecast for

Castle Hills TX

  • Tonight

    Tonight: Increasing clouds, with a low around 60. South southeast wind around 5 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 79. Light south southeast wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 79 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 63. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after noon. Cloudy, then gradually becoming mostly sunny, with a high near 76. 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: 76 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. North wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 77. Calm wind becoming south around 5 mph in the afternoon.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. South southeast wind around 5 mph.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 60. South southeast wind around 5 mph.
Friday
Mostly cloudy, with a high near 79. Light south southeast wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 63. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, with thunderstorms also possible after noon. Cloudy, then gradually becoming mostly sunny, with a high near 76. 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
Mostly clear, with a low around 56. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 75. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 49. North wind around 5 mph becoming calm in the evening.
Washington's Birthday
Sunny, with a high near 77. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 52. South southeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 83.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.51°W (Elev. 869 ft)
Last Update:
10:32 pm CST Feb 12, 2026
Forecast Valid:
10pm CST Feb 12, 2026-6pm CST Feb 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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