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.

Overcast

73°F

23°C

Humidity 87%
Wind Speed S 10 mph
Barometer 29.75 in (1005.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 24 Apr 3:51 am CDT
Extended Forecast for

Castle Hills TX

  • Today

    Today: A slight chance of showers and thunderstorms between 1pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. South wind around 5 mph. Chance of precipitation is 20%.

    High: 86 °F

    Cloudy then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 69. South southeast wind around 5 mph.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 91. South southeast wind around 5 mph.

    High: 91 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70. Southeast wind around 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 91. South wind 5 to 10 mph.

    High: 91 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 72. South southeast wind 5 to 10 mph.

    Low: 72 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 94. South wind around 5 mph.

    High: 94 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 72. Southeast wind around 5 mph.

    Low: 72 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 94. South southeast wind 5 to 10 mph.

    High: 94 °F

    Mostly Cloudy

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 1pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. South wind around 5 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 69. South southeast wind around 5 mph.
Saturday
Partly sunny, with a high near 91. South southeast wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 70. Southeast wind around 5 mph.
Sunday
Mostly cloudy, with a high near 91. South wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 72. South southeast wind 5 to 10 mph.
Monday
Mostly cloudy, with a high near 94. South wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 72. Southeast wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 94. South southeast wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70.
Wednesday
Mostly cloudy, with a high near 92.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Thursday
Mostly cloudy, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.53°W (Elev. 846 ft)
Last Update:
2:42 am CDT Apr 24, 2026
Forecast Valid:
4am CDT Apr 24, 2026-6pm CDT Apr 30, 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